Executive Order: Electrical Installations

This is a translation of the Executive Order on Safety in connection with the Construction and Operation of Electrical Installations. In any case of misinterpretation between the translated version and the Danish version, the Danish version has legal force. (Executive Order no. 1082 from July 12th, 2016)

In pursuance of Section 5(1)(ii), Section 7(3), Sections 29-31, Section 34(2) and Section 39 of the Danish Act No. 525 of 29 April 2015 on the Safety of Electrical Plants, Electrical Installations and Electrical Equipment (the Electrical Safety Act), the following is laid down:

Executive Order: Electrical installations

Part 01: Scope and definitions

Scope

1. This Executive Order applies to the construction and operation of electrical installations from 0 V a.c. or 0 V d.c. up to and including 1,000 V a.c. or 1,500 V a.c.

Definitions

2. The following definitions are used in this Executive Order:

i) Lighting installations in areas accessible to the public: Outdoor luminaires and lighting installations for footpaths, streets, roads, squares and the like which are open to the general public.

ii) Protective equipment: Equipment for protection against the dangers that electricity can cause eg overcurrent protection or faultcurrent protection.

iii) Housing units: Houses and flats approved as a main residence and holiday homes and holiday flats approved for overnight stays.

iv) DCL: Device for connection of luminaires, system consisting of a DCL socket and a DCL plug providing a luminaire with electrical connection to and disconnection from a fixed electrical installation.

v) ITE socket-outlets: Equipment that by specially designed  entry holes enables the connection of ITE equipment and similar equipment, but which does not allow connection of electrical equipment with ordinary plugs.

vi) Fault protection: protection against electric shock during single-fault conditions.

vii) Hospital socket-outlets: Socket-outlets that prevent the use of ordinary plugs pursuant to the Executive Order on the Safety of Electrical Equipment.

viii) Installation coupler: Connecting device for fixed installation consisting of an installation female connector and an installation male connector with retaining means for permanent connection that is not intended to be connected or separated under load. Furthermore, the device is not intended to be connected or separated other than during first installation, during maintenance or during re-configuration of the electrical installation.

ix) Basic protection: Protection against electric shock under fault-free conditions.

x) Final circuits: Electrical circuit designed to supply electricity to current-using equipment or socket-outlets.

xi) Class I equipment: Electrical equipment with basic insulation as basic protection and protective bonding as fault protection.

xii) Class II equipment: Electrical equipment with basic insulation as basic protection and additional insulation as fault protection or in which basic protection and fault protection are obtained through reinforced insulation.

xiii) Conductor: Conducting part intended to carry a specified electric current.

xiv) PELV: Electrical system in which the voltage cannot exceed the value for extra-low voltage under single-fault conditions, except earth faults in other electrical circuits.

xv) RCD: Mechanical switching device or association of devices designed to make, carry and break currents under normal service conditions and to cause the opening of the contacts when the residual current attains a given value under specified conditions.

xvi) Skilled person: Person with relevant education and experience to enable him or her to perceive risks and to avoid hazards which electricity can create.

xvii) SELV: Electrical system in which the voltage cannot exceed the value for extra-low voltage, both under normal conditions and under single-fault conditions, including earth faults in other electrical circuits.

xviii) Plug: Electrical equipment with pins that fit into the socket-contacts of a socket.

xix) Socket-outlet: Electrical equipment with socket-contacts intended to fit the pins of a plug and with terminals for connection of wires.

xx) Electric circuit: Assembly of electrical equipment in the electrical installation protected against overcurrent by means of a common protective device.

xxi) switchgear and controlgear assembly: Combination of one or more pieces of switching equipment for controlling, measuring, signalling, protecting and regulating, including all internal electrical and mechanical interconnections and structural components.

xxii) Supply cord: A flexible wire used to connect electrical equipment to the fixed electrical installation. 

Part 02: Meeting the safety requirement of the electrical safety act

3. (1). Where an electrical installation is designed according to the version of the standard series for electrical installations applicable in Denmark, HD 60364, the safety requirement of Section 3 of the Electrical Safety Act, shall be deemed to be met, cf. Sections 5-16 of this Executive Order.

   (2). Where an electrical installation is not, or only partially, designed according to the version of the standard series for electrical installations applicable in Denmark, HD 60364, it must be documented that the safety requirement of Section 3 of the Electrical Safety Act, is met, cf. Sections 5-16 of this Executive Order.

   (3). Sections 17-83 of this Executive Order must be complied with irrespective of whether the electrical installation is designed according to subsection (1) or (2) above.

   (4). The time of erecting of the electrical installation determines what version of the standard series, cf. subsection (1) above, is applicable. In case the time of erecting of the electrical installation is less than three (3) years after the design was completed, the standard series for electrical installations applicable in Denmark, HD 60364, at the time the design is completed may be used.

4. The standards which this executive order refers to are not introduced into Lovtidende (the official Danish registration of legislation) but can be purchased at Danish Standards or reviewed at the Danish Safety Technology Authority.

Part 03: General safety requirements

5. Sections 6-16 elaborate the safety requirement in Section 3 of the Electrical Safety Act.

6. An electrical installation must have basic protection so as to protect persons and domestic animals against the dangers that may arise from contact with the live parts of the installation.

7. An electrical installation must have fault protection so as to protect persons and domestic animals against the dangers that may arise from contact with the exposed-conductive-parts of the installation.

8. An electrical installation must be designed and erected in such a way that there is no danger of igniting flammable materials as a consequence of high temperatures or arc faults. Furthermore, normal use of electrical equipment may not represent a risk of burns to persons or domestic animals.

9. An electrical installation must be protected against overcurrent so that persons, domestic animals or property are protected against the dangers that may arise due to excessive temperatures or electromechanical effects caused by overcurrent.

10. Protective conductors, and any other part intended to carry a fault current must be able to carry such current without reaching excessive temperature.

11. Electrical equipment, including conductors, must have mechanical protection against electromechanical effects caused by fault currents to prevent danger to persons, domestic animals and property.

12. Faults between live parts in circuits supplied with different voltages may not entail danger to persons, domestic animals or property.

13. Overvoltage may not entail danger to persons, domestic animals or property.

14. Undervoltage and subsequent voltage restoration may not entail danger to persons, domestic animals or property.

15. An electrical installation must have immunity to electromagnetic disturbance, so that it is able to function correctly in the specified environment.

16 Where danger can be expected to arise for persons, domestic animals or property as a consequence of a disruption of the supply, suitable precautions must be taken in the electrical installation or the installed electrical equipment.

Part 04: Design and erection

General

17(1). An electrical installation must be designed and erected in such a way that the correct operation of the electrical installation for the intended purpose is taken into consideration.

   (2). An electrical installation must be designed and constructed in such a way as to take the environmental conditions into consideration to which the electrical installation will be exposed in the expected lifespan of the installation.

   (3). If electrical equipment included in an electrical installation does not itself have the properties required according to subsection (2) above, adequate additional protection must be provided as part of the finished electrical installation.

 18(1). An electrical installation must be designed and erected safely and properly by qualified persons.

   (2). Only suitable equipment may be used in the electrical installation, and it must be installed in accordance with the instructions from the manufacturer of the equipment.

   (3). The properties of the electrical equipment may not be impaired during the erection of the electrical installation.

19. The following must be taken into account when selecting the wiring system and installation method:

i) the nature of the area;

ii) the nature of walls and other building components that carry the wiring system;

iii) the accessibility of the wiring system to persons and domestic animals;

iv) voltage;

v) the electromagnetic effects that may occur in case of earth faults and short-circuits;

vi) electromagnetic disturbance and

vii) other impacts to which the wiring system may be subjected during the erection or operation of the electrical installation.

20. The cross section area of the conductors must be determined for normal operating conditions as well as for fault conditions considering:

i) their maximum temperature permitted;

ii) the maximum acceptable voltage drop;

iii) the electromechanical effects that may be expected in case of earth faults and short-circuits;

iv) other mechanical effects to which the conductors may be subject;

v) the maximum impedance in relation to the operation of the fault current protection and

vi) the method of installation.

21. An electrical installation, other installations and objects must be constructed and placed in such a way that harmful interaction between such installations and objects is not possible.

22. Other installations with are not connected or related to the electrical installation must be separated from the electrical installation in such a way that it is possible to perform work on them without interfering with the electrical installation.

23. Electrical equipment must be placed in such a way that operation, inspection, servicing, maintenance and access to its connections can take place as easily as possible except in case of

i) connections designed to be buried in the ground;

ii) compound-filled or encapsulated connections;

iii) connections between a cold tail and the heating element in ceiling heating or floor heating systems and heating cables;

iv) a connection established by welding, soldering, brazing or an appropriate compression tool or

v) a connection that forms part of the electrical equipment, which is in compliance with the relevant standard applicable to such electrical equipment.

24. When other objects are constructed and placed in the vicinity of an existing electrical installation, the operation, inspection, servicing and maintenance of and access to the connections of the electrical installation must be as easy as possible.

25(1). An electrical installation must be designed and erected in accordance with the rules applicable at the time of erection.

   (2). In case of subsequent modification of the electrical installation, including the moving of switchgear and controlgear assemblies, the rules applicable at the time of such modification apply for the parts of the installation which are modified.

26(1). If the use or nature of an area changes, the electrical installation must be adapted to the new use or nature.

   (2). If the use or nature of an area changes when electrical equipment is connected, such connection may not be made until the electrical installation in the entire area has been adapted to the new use or nature.

Supply systems

27(1). An electrical installation supplied from a low-voltage distribution network may be constructed as a TN system in the following cases, provided that the electrical supply system supplying power to the installation is constructed as a TN system:

i) Where the electrical installation is supplied from its own substation.

ii) Where the supply line comes directly from the substation and a cable is used.

iii) Where a TN system is already used in the electrical installation.

iv) Where the owner of the electrical supply system has issued a special permission.

(2). The owner of the electrical supply system can only refuse permission to use a TN system in the cases mentioned in subsection (1)(i) and (ii) above if the construction of a TN system in the existing low-voltage distribution network is associated with excessive technical difficulties.

(3). A TN system may be used without the permission of the owner of the electrical supply system in the case mentioned in subsection (1)(iii).

28(1). In buildings it is not permitted to have a TN-C system after the first switchgear and controlgear assembly or distribution point. After the first switchgear and controlgear assembly or distribution point, separate protective conductors and neutral conductors must always be used.

(2). Subsection (1) above shall not apply in case of an extension or modification of an existing electrical installation and for substations.

Installation of switchgear and controlgear assemblies

29(1). In front of switchgear and controlgear assemblies whose width or height exceed 1 meter there must be a free area of minimum 1 meter in the entire width of the switchgear and controlgear assembly and from the floor to its topmost edge, but minimum 2 metres above the floor.

(2). There must be a free area of minimum 1 metre in front of the farthest protruding switchgear and controlgear assembly part or component. Where switchgear and controlgear assemblies are placed alongside each other, but with a distance of less than 1 metre between them, they will be regarded as one switchgear and controlgear assembly .

(3). Busbar trunking systems are not covered by subsection (1).

30(1). Switchgear and controlgear, including protective equipment, must be provided with unambiguous markings that indicate what part of the electrical installation it operates.

(2). If there is no risk of confusing the equipment, subsection (1) above does not apply.

31(1). By each overcurrent protection there must be a durable marking stating the maximum permitted rated current or the maximum permitted current setting for adjustable equipment.

 (2). If an overcurrent protection serves several purposes, the marking must be for the lowest of the permitted values.

Protective equipment

32(1). The properties of the protective equipment must be determined considering the operation of the equipment.

(2). The protective equipment must operate at values of current, voltage and time that are suitable considering the properties of the circuit and the risk of danger to persons, domestic animals or property.

Disconnection and isolation

33(1). Electrical equipment must be installed for disconnection of the electrical installation to allow disconnection and isolation of the electrical installation, circuits or individual devices as required for the operation, inspection, troubleshooting, testing, maintenance and repair.

(2). It must be possible to isolate each circuit from each of the live supply conductors. The isolation may be shared by several circuits if permitted by the operating conditions.

34. Where in an electrical installation immediate disconnection of the power supply is required to avoid danger to persons, domestic animals or property, an emergency switch must be installed, which is instantly recognisable, effective and can be operated quickly.

Additional protection by RCD

35(1). In the fixed electrical installation, socket-outlets for household and similar purposes with a rated current up to and including 20A and other connection points in fixed electrical installations with overcurrent protection up to and including 32A must be protected by automatic disconnection of supply.

(2). The protective equipment used must be an RCD with a rated operating current not exceeding 30mA.

(3). Socket-outlets for certain current using equipment which for operational reasons are not protected with an RCD with a rated operating current not exceeding 30mA, cf. subsection (2) above, must be protected through automatic disconnection of supply by means of other protective equipment than RCDs with a rated operating current not exceeding 30mA.

(4). Socket-outlets according to subsection (3) above must be placed or marked in such a way that they will not be used for connection of other current using equipment.

(5). The requirement in subsection (1) above does not apply to:

i) An electrical installation or parts of it to which only class II equipment is permanently connected when such electrical installation is not equipped with socket-outlets or other connection points.

ii) An electrical installation with socket-outlets or other connection points protected by electrical separation or by extra low voltage, SELV or PELV.

iii) An electrical installation with IT system earthing and isolation monitoring.

iv) Connection points other than socked-outlets which for operational reasons are not to be protected by an RCD with a rated operating current not exceeding 30mA. These connection points must in such case be protected by automatic disconnection of supply by means of other protective equipment.

v) Hospital socket-outlets and ITE socket-outlets connected to a protective conductor and which for operational reasons cannot be or is not wished to be protected by an RCD with a rated operating current not exceeding 30mA. These socket-outlets must in such case be protected by automatic disconnection of supply by means of other protective equipment.

Marking

36(1). Appropriate warning signs or notices must be posted where necessary for safety reasons and to avoid danger to persons, domestic animals or property.

(2). A marking specifying which parts of the electrical installation it operates must be applied to switchgear and controlgear, unless there is no possibility of confusion.

(3). Wiring systems must be placed or marked in such a way that they can be identified when the electrical installation is inspected, tested, repaired or modified.

Conductors

37(1). Connections between conductors as well as between conductors and other equipment must provide lasting and durable electrical contact and have sufficient mechanical strength and protection.

(2). Connections must be placed in suitable enclosures that provide sufficient mechanical protection.

(3). In the following cases section (2) does not apply:

I. connection of protective conductors, including equipotential bonding conductors for extraneous conductive parts.

II. connection of or interconnection between protective conductors installed separately  , including equipotential bonding conductors, provided that no conductor cross section area is smaller than 4 mm2.

38. At connection points for electrical equipment, the fixed electrical installation must be terminated in a box, rosette, switch, socket-outlet or in a closed connection room in fixed electrical equipment.

39(1). A protective conductor must be colour coded green/yellow.

(2). A green/yellow conductor may only be used as a protective conductor.

40(1). If protective equipotential bonding is used in an electrical installation, there must be a main earthing terminal to which the following must be connected

i) Protective-equipotential-bonding conductors;

ii) earthing conductors and

iii) protective conductors.

(2). If functional earthing conductors are used in the electrical installation, such conductors must also be connected to the main earthing terminal.

Buried cables

41(1). Cables must be buried at a depth of at least 0.35m below the finished terrain.

(2). Cables buried at a depth of less than 0.7m must be protected by conduits, U-profiles or cover plates.  

(3) Cables buried at a depth of more than 0.7m need not have additional mechanical protection, provided that a marking tape is placed approx. 0.2m above the cable. If several cables are buried with less than 0.2m between the cables spaced the farthest apart, only one marking tape is required.

(4). Cables exiting the ground must be protected against mechanical effects below as well as above ground by means of durable iron conduits, steel conduits, cable guards or plastic water conduits for an operating pressure of minimum 0.6 MPa.

(5) Cables that include only SELV and PELV circuits are not covered by subsections (1)-(4) above, but must be marked with marking tape.

42(1). Cover plates, conduits and U-profiles made from plastic material for protection of buried cables and marking tape made from plastic material for marking buried cables must be red.

(2). Cover plates must have a width of at least 100mm and have the following warning text: ELKABEL.

(3). Marking tape must have a width of at least 25mm and a thickness of at least 0.3mm and have the following warning text: ELKABEL.

(4). The warning text, cf. subsections (2)-(3) above, must

i) have a letter height of at least 10mm;

ii) the letter colouring must be black and

iii) be repeated at intervals not exceeding 200mm between prints.

(5) Subsection (4)(ii) only applies to cover plates if they are marked with a stamp.

Installation couplers

43(1). Installation couplers must

i) be installed in an enclosure that can only be opened by means of tools;

ii) be placed outside of normal reach, minimum 2.5m above floor level or

iii) be placed in a building void.

(2). Installation couplers may only be assembled and disassembled when dead.          

Socket-outlets and plugs for household and similar purposes

44 Only socket-outlets and plugs for household purposes according to the Executive Order on Electrical Equipment may be installed in the electrical installation.

45. The following relation is required in the electrical installation between the rated current of the socket-outlet and the rated current of the closest short-circuit protection upstream:

i) For socket-outlets with a rated current of 10A and a rated current of 13A, the highest rated current permitted for the short-circuit protection is 13A.

ii) For socket-outlets with a rated current of 16A, the highest rated current permitted for the short-circuit protection is 16A.

46(1). Hospital socket-outlets may only be installed in hospitals and similar areas.

(2). Only special hospital equipment with hospital plugs may be connected to hospital socket-outlets.

Connection points

47(1). Socket-outlets for household and similar purposes as well as other socket-outlets must have a functional earthing contact, cf. however subsection (3).

(2).  Other connection-points must have a protective conducter, cf. however subsection (4).

(3). In the following cases, subsection (1) does not apply:

1. Fixed socket-outlets, where the outlet is shaped as a flat two-pole outlet without earth for connection of class II equipment for maximum 2,5 A 250 V a.c., where this is combined with a two-pole socket-outlet with functional earthing contact.

2. Socket-outlets protected by SELV.

(4). In the following cases, subsection (2) does not apply:

1. Connection points for permanent connected equipment of class II

2. Connection points protected by SELV.

48.(1). Socket-outlets protected by electrical separation must have an earthing contact.

(2). In case of electrical separation used for supply of more than one item of current using equipment, the exposed-conductive-parts of the separated circuit must be connected by insulated, non-earthed equipotential bonding conductors.

(3). The insulated, non-earthed equipotential bonding conductors must not be connected to the protective conductors or exposed-conductive-parts of other circuits or to any extraneous-conductive-parts.

49.(1). Class I equipment must be connected to the protective conductor of the connection point or be connected to the protective conductor by a socket-outlet with earthing contact, cf. however section 54 for housing units.

50. The number of connection points in the fixed electrical installation must be adapted to the expected number of current using equipment and be placed in such an extent and at such places as to avoid the use of supply cords of an unnecessary length.

Connection of electrical equipment to the fixed electrical installation by means of supply cords

51(1). Connection of electrical equipment via a supply cord to the fixed electrical installation must be made either by connection to a socket-outlet using a plug or through connection to an outlet or the like where the supply cord is relieved from strain and secured against twisting by means of a strain relieving device being a part of the electrical equipment of the fixed electrical installation to which the supply cord is connected.

(2). A supply cord must be connected to the fixed electrical installation in the room or in open air where the electrical equipment is used. This does not apply to electrical equipment that is moved during use.

(3). Supply cords may not be exposed to mechanical, chemical or thermal damage.

Housing units

52. Sections 53-58 apply to electrical installations in the individual housing unit and to electrical installations outside the housing unit when such are supplied from inside the housing unit.

53. Type AC RCD may not be used as fault protection in housing units.

54(1). The protective conductor must be transferred to portable class I equipment connected to a socket-outlet unless the electrical installation is protected by an RCD with a rated operating current not exceeding 30mA, cf. however subsections (2) - (3).

(2). The protective conductor from connection points must be transferred to portable class I electromedical equipment connected to a socket-outlet.

(3). In housing units built after July 1st 2017, the protective conductor must be transferred to portable class I equipment connected to a socket-outlet.

55(1). Protective equipment must be placed in the housing unit to which it belongs.

(2). The protective equipment may not be placed more than 2.2m above floor level. If the protective equipment is placed less than 1m above floor level, it must be placed in a lockable cabinet.

(3). Protective equipment may be placed in other rooms being a part of the housing unit, but to which there is not direct access from the housing unit. This does not apply, however, if the only access is through communal areas such as stairways, corridors and hallway spaces, paths and the like.

(4). In institutions with housing units for non-self-sufficient persons, the protective equipment may be placed outside the housing unit, provided that the institution is manned around the clock.

56(1). The number of final circuits supplying 250V socket-outlets and other connection points for luminaires and current using equipment with a limited energy consumption over time must at least be equal to the total living space divided by 50, but there must always be at least two final circuits.

(2). The total living space is calculated in accordance with the directions of the Danish Buildings and Homes Register.

(3). A two-phase or three-phase final circuit is regarded as one final circuit only.

(4). The following are not included in the number of final circuits pursuant to subsection (1) above:

i) Final circuits for current using equipment that have a high energy consumption over time.

ii) Final circuits to which one-phase current using equipment with a nominal current exceeding 6A are connected when the load on the circuit may be expected to be continuous for more than two hours.

57(1). In each room of the housing unit, the number of 250V socket-outlets in the fixed electrical installation must be at least one for each commenced area of 4m2.  However no more than 10 socket-outlets is required.

(2). In kitchen areas there must be at least three socket-outlets. They must be placed where portable current using equipment connected to socket-outlets are intended to be used and must be distributed on at least two final circuits.

(3). Kitchenettes must have minimum one socket-outlet, which must be placed where portable current using equipment connected to socket-outlets are intended to be used.

(4). Toilets and bathrooms are not covered by subsection (1) above. However, there must be at least one socket-outlet, unless the bathroom is so small that other safety requirements prevent the installation of socket-outlets.

(5). Garages, carports, attics, storage rooms and the like are not covered by subsection (1) above.

58. By connection points for non-fixed luminaires there must, so that connection is possible without interfering with the fixed electrical installation be:

1. fixed terminals,

2. DCL for household purposes according to DS/EN 61995-2, Equipment for connection of luminaires for household or similar use, part 2, standard sheet for DCL, or

3. lamp plugs and socket-outlets according to DS 60884-2-D1, plugs and sockets for household or similar use.

Areas with risk of explosion

59. The design and erection of electrical installations in areas with risk of explosion must be in compliance with EN 60079-14, explosive atmospheres, part 14, electrical installations design, selection and erection. 

Temporary electrical installations

60(1). If a temporary electrical installation is kept for more than three months, the installation must be inspected by an authorised electrical contractor every three months.

(2). The owner or user of the temporary electrical installation is responsible for ensuring that such inspection is carried out and that the installation is removed when it is no longer used.

Part 05: Existing electrical installations

Additional protection by RCD

61(1). In existing electrical installations, socket-outlets for household and similar purposes with a rated current up to and including 16A and other connection points in fixed installations with overcurrent protection up to and including 20A must be protected through automatic disconnection of the supply.

   (2). The protective equipment used shall be an RCD with a rated operating current not exceeding 30mA.

   (3). Socket-outlets for single current using equipment which for operational reasons are not protected by an RCD with a rated operating current not exceeding 30mA, cf. subsection (2) above, must be protected by automatic disconnection of supply by means of other protective equipment than RCDs with a rated operating current not exceeding 30mA.

   (4). Socket-outlets according to subsection (3) above must be placed or marked in such a way that they will not be used for connection of other current using equipment.

   (5). The requirement in subsection (1) above does not apply to:

i) Electrical installations or parts thereof to which only class II equipment is permanently connected when such electrical installation does not have socket-outlets or other connection points.

ii) Electrical installations with socket-outlets or other connection points protected by electrical separation  or by SELV or PELV.

iii) Electrical installations with IT system earthing and isolation monitoring.

iv) Other connection points, except for socket-outlets for household or similar use, which for operational reasons are not to be protected by an RCD with a rated operating current not exceeding 30mA. These connection points must in such case be protected through automatic disconnection of supply by means of other protective equipment.

v) Hospital socket-outlets and ITE socket-outlets connected to a protective conductor which for operational reasons cannot or are not to be protected by an RCD with a rated operating current not exceeding 30mA. Socket-outlets for this current using equipment must in such case be protected through automatic disconnection of supply by means of other protective equipment.

vi) Existing electrical installations with circuits for which it is a requirement that a fault may not impair the correct operation of another circuit and where the installation of an RCD would mean that this requirement cannot be met.

Modifications or extensions

62. In case of extension or modification of an existing electrical installation, it must be ensured that the rated value and the conditions for existing electrical equipment that is to carry an extra load are sufficient for the extended or modified conditions. In addition, earthing and bonding connections must be sufficient if such are necessary for protective measures established for safety purposes in the extension or modification.

63. In case of extension or modification of an existing electrical installation by not more than two connection points, the protective conductor may be omitted if the existing installation does not have a protective conductor, provided that the extension or modification is protected by an RCD with a rated operating current not exceeding 30mA.

64(1). In case of extensions or modifications in existing installations, socket-outlets with an earthing contact, which are part of the extension or modification, must be connected to a protective conductor.

65(1). In an existing electrical installation, it is permitted to make a separate earth electrode without connecting it to the main earthing terminal if such a terminal is not included in the installation.

   (2). Exposed conductiveparts that can be touched simultaneously must, however, always be connected to the same earth electrode.

66(1). In housing units, an existing electrical installation in a kitchen may be extended by up to two new socket-outlets without distributing these on two final circuits.

67. Modifications are not permitted if they impair the safety of an existing electrical installation.

Existing switchgear and controlgear assemblies

68(1). An existing switchgear and controlgear assembly that is a part of the electrical installation may be serviced, repaired, modified and extended within the existing exterior enclosure in accordance with the manufacturer’s directions and the requirements and provisions applicable at the time the switchgear and controlgear assembly was designed and installed.

   (2). An extension outside of the existing exterior enclosure is regarded as a new switchgear and controlgear assembly which must be in compliance with the currently applicable requirements and provisions.

   (3). If an existing switchgear and controlgear assembly is moved, it must meet the requirements and provisions applicable at the time it is moved.

69. If an existing switchgear and controlgear assembly that is covered by fault protection is modified or extended, the modification or extension must also be covered by fault protection.

70(1). If an existing switchgear and controlgear assembly without fault protection is modified or extended within the existing enclosure, fault protection is not required for the modification or the extension of the existing switchgear and controlgear assembly.

   (2). If an existing switchgear and controlgear assembly is extended by new switchgear and controlgear assembly sections, the extension can be protected by means of total isolation.

   (3). Protection by automatic disconnection of supply may only be provided if protective equipment that disconnects the supply in case of faults is placed in the switchgear and controlgear assembly input or before the switchgear and controlgear assembly.

Fault voltage disconnection devices

71. Fault voltage disconnection devices may be replaced when the electrical installation is designed and erected in compliance with the provisions governing electrical installations at the time of design and erection or subsequent rearrangement.

72. Protective conductors and earthing conductors for fault voltage disconnection devices may not be connected to the main equipotential bonding.

Connections in electrical installations without a protective conductor

73(1). Class I equipment may be connected to an electrical installation without a protective conductor, provided that the installation is protected by an RCD with a rated operating current not exceeding 30mA.

   (2). Electrical equipment where a protective conductor is required to ensure a proper safety function as well as electromedical equipment are not covered by subsection (1) above.

   (3). The RCD requirement does not apply to an electrical installation with circuits where it is a requirement that a fault in one circuit may not impair the correct operation of another circuit and where the installation of an RCD would mean that this requirement cannot be met.

Lighting installations in public areas

74(1). When repairing or maintaining lighting installations in public areas, the following must be used

i) luminaires or components that are identical to the existing or;

ii) class II luminaires or components or

iii) additional protection pursuant to Section 35 above.

   (2). If the requirements in subsection (1) above cannot be met for luminaires or components, the part of the lighting installation in which such are included is to be regarded as a new part and must meet the requirements for new electrical installations stipulated in this Executive Order.

Part 06: Verification

75(1). When an electrical installation has been designed and erected, its compliance with this Executive Order must be verified. Such verification must be performed before the electrical installation is commissioned.

   (2). Verification comprises inspection, testing and reporting.

   (3). Verification must be performed according to the version of HD 60364-6, Low voltage electrical installations, part 6, verification, applicable in Denmark at the time of verification.  

   (4). Reporting must be stored in accordance with the requirements for  end-control, cf. the Executive Order on Quality Management Systems for Authorised Companies in the Electricity, Heating, Water, Sanitation and Sewer Installation Area and for Companies with a Company Authorisation in the Gas Area.

   (5). Work in the electricity area covered by the Executive Order on Simple Works in the Electricity, Heating, Water, Sanitation and Sewer Installation Area which may be Carried out by Anyone, does not require verification pursuant to subsection (1) above.

Part 07: Operation and maintenance

Work on or near electrical installations

76(1). While performing activities on or near an electrical installation, the electrical risk must be assessed, so that the activity can be performed safely.

(2). Activities on or near an electrical installation must be carried out in compliance with DS/EN 50110-1, operation of electrical installations, except for the education requirement for persons performing live working.

77(1). Persons working on or near a live electrical installation must be sufficiently qualified for the work, so that they can avoid the dangers, that can be caused by electricity.

78(1). Persons working on or near a live electrical installation must have attained the age of 18.

(2). Measuring and troubleshooting on a live electrical installation may be performed by persons undergoing training and who have attained the age of 16, provided that they are under the instruction and supervision of a skilled person.

79(1). Persons working on live electrical installations must be instructed periodically and to the necessary extent on correct safety related conduct in relation to this work.

Maintenance of electrical equipment

80. When connecting electrical equipment to an electrical installation, companies or persons using electrical equipment in the course of their trade must ensure that the electrical equipment is maintained, so that it does not present a danger to persons, domestic animals or property in the following situations:

i. When performing work elsewhere than at such company’s or person’s own premises.

ii. When renting out electrical equipment.

Re-connection of the electrical installation

81(1). Fuses or circuit breakers for overcurrent protection may only be manually replaced or re-connected once after blowout or automatic disconnection.

(2). If fuse blowout or automatic disconnection happens a second time, the fault must be eliminated before additional re-connection is attempted.

82. Automatic re-connection of electrical equipment for protection against electrical shock by automatic disconnection of supply is not permitted where ordinary persons have access to the electrical installation.

83. Where danger is expected to arise or damage is expected to occur as a consequence of re-connection of the supply, appropriate precautionary measures must be taken in the electrical installation or the installed electrical equipment.

Part 08: Reporting

84(1). If the version of the HD 60364 standard series applicable in Denmark, cf. Section 3 above, is not used or only partially used, the electrical contractor company must report this via the electronic reporting system of the Danish Safety Technology Authority. Reporting is required for:

i. Extensions of existing electrical installations.

ii. New electrical installations.

(2). The reporting pursuant to subsection (1) above must include the following information and documentation:

i. The address of the electrical installation.

ii. The time the work was carried out.

iii. The time the design was completed, if applicable.

iv. Documentation of compliance with the safety requirements of this Executive Order.

v. Documentation of control that the electrical installation is in compliance with the technical documentation.

vi. Documentation of material selection and selection of protective equipment.

vii. Calculations and assessments that form the basis for compliance with the safety requirements.

viii. Drawings and diagrams of the electrical installation.

ix. Unambiguously identifiable documentation of the part of the electrical installation on which work was performed.

(3). Reporting according to subsections (1)-(2) must be carried out not later than 14 days after completion of the work.

Part 09: Penalty

85(1). Unless a higher penalty is incurred in pursuance of other legislation, anyone who  

i. fails to observe the general safety requirements, cf. Sections 6-16 above;

ii. fails to observe Sections 17-74 above;

iii. fails to perform a verification pursuant to Section 75 above;

iv. fails to observe Sections 76-83 above;

v. fails to report complete or partial deviance from the version of the HD 60364, low voltage electrical installations, standard series applicable in Denmark

vi. reports false information, cf. Section 84(2) above or

vii. fails to observe Section 84(3) above

shall be liable to a fine.

(2). Companies, etc. (legal persons) may incur criminal liability in pursuance of the rules of Part 5 of the Criminal Code.                              

86. The period of limitation of the criminal liability is 10 years.

Part 10: Entry into force and interim provisions

87(1). This Executive Order comes into force on July 1st2017.

(2). At the same time Executive Order No. 177 of 20 March 1995 on the Administration etc. of the Heavy Current Act, except for Section 18, shall be repealed.

(3) Section 18 in Executive Order No. 177 of 20 March 1995 on the Administration etc. of the Heavy Current Act, shall remain in force.

(4). With effect from July 1st  2019, the following Executive Orders shall be repealed:

i. Executive Order of May 1st 1994 on The Heavy Current Regulation, section 35, version 3, cover plates and marking tape for buried cables.

ii. Executive Order of July 1st 2001 on the Heavy Current Regulation, section 6, electrical installations.

iii. Executive Order of March 22nd 2006 on the Heavy Current Regulation, section 6A, electrical installations.

iv. Executive Order of November 13th 2006 on the Heavy Current Regulation, section 6B, requirement for additional RCD protection in new installations.

v. Executive Order of November 13th 2006 on the Heavy Current Regulation, section 8, requirement for additional protection by RCD type AC or type A in existing installations.

vi. Executive Order No. 1154 of October 6th 2010 on heavy current, section 6D regarding installation couplers.

vii. Executive Order No. 1041 of November 10th 2011 on the Heavy Current Regulation, section 6C, special requirements for use of plugs and socket-outlets in installations.

88(1). Electrical installations may be constructed according to the Heavy Current Regulation until and including June 30th 2019..

(2). Electrical installations whose design was completed or commenced before July 1st 2019 according to the Heavy Current Regulation may be constructed or completed according to these rules until and including June 30th2020.

(3). The Danish Safety Technology Authority may in speci­al cases grant an exemption for completion of installation work according to the Heavy Current Regulation after June 30th 2020, cf. subsection (2) above. An application for an exemption must be received by the Danish Safety Tech­­­nology Authority before this date.

89(1). Cover plates and marking tape may be manufactured according to the Heavy Current Regulation until and including December 31st 2017.

(2). Cover plates and marking tape manufactured in accordance with the Heavy Current Regulation may be used until and including June 30th 2020.

Ministry of Business and Growth, Denmark, July 12th 2016

Troels Lund Poulsen

Official notes

1. The draft Executive Order has been notified to the Commission in pursuance of Directive 98/34/EC of the European Parliament and of the Council (the Information Procedure Directive) as amended by Directive 98/48/EC.

Amendment to the Executive Order: Electrical installations

This is a translation of the Executive Order amending the Executive Order on Safety in connection with the Construction and Operation of Electrical Installations.
In any case of misinterpretation between the translated version and the Danish version, the Danish version has legal force.

(Executive Order no. 639 from June 2nd, 2017)

Executive Order amending the Executive Order on Safety in connection with the Construction and Operation of electrical installations

Section 1

In Executive Order No. 1082 of 12 July 2016 on safety in the construction and operation of electrical installations, the following amendment is made:

1. In section 75, inserted as subsection (5):

Subsection (5) Companies established in another EU/EEA country and who are authorised as a temporary service provider in the field of electricity must comply with the requirement of reporting set out in the version in force at the time of verification of HD 60364-6, 61.4 Reporting of first verification.”

Consequently, subsection (5) becomes subsection (6).

Section 2

The Executive Order enters into force on 1 July 2017.

The Danish Safety Technology Authority, 2 June 2017

On behalf of the Ministry
Lone Saaby