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IEC 60364-5-56

Low-voltage electrical installations – Part 5-56: Selection and erection of electrical equipment – Safety services

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Organization: IEC
Publication Date: 1 July 2009
Status: inactive
Page Count: 42
ICS Code (Installations in buildings): 91.140
scope:

GENERAL

For safety services required to operate in fire conditions, the following two conditions shall be fulfilled:

- a safety source of supply shall be selected which will maintain a supply of adequate duration, and

- all equipment shall be provided, either by construction or by erection, with protection ensuring fire resistance of adequate duration.

- the safety source is generally additional to the normal source.

NOTE - The normal source is, for example, the public supply network.

Protective measures against electric shock in case of a fault without automatic disconnection at the first fault are preferred. In IT systems, continuous insulation monitoring devices shall be provided which give an audible and visible indication of a first fault.

Equipment shall be arranged to facilitate periodic inspection, testing and maintenance.

Document History

November 1, 2018
Low-voltage electrical installations – Part 5-56: Selection and erection of electrical equipment – Safety services
This part of IEC 60364 covers general requirements for safety services, selection and erection of electrical supply systems for safety services and the electrical source for safety services. Standby...
IEC 60364-5-56
July 1, 2009
Low-voltage electrical installations – Part 5-56: Selection and erection of electrical equipment – Safety services
GENERAL For safety services required to operate in fire conditions, the following two conditions shall be fulfilled: – a safety source of supply shall be selected which will maintain a supply of...
January 1, 1999
Electrical Installations of Buildings - Part 5: Selection and Erection of Electrical Equipment - Chapter 56: Safety Services
GENERAL For safety services required to operate in fire conditions, the following two conditions shall be fulfilled: – a safety source of supply shall be selected which will maintain a supply of...
January 1, 1980
Electrical Installations of Buildings - Part 5: Selection and Erection of Electrical Equipment - Chapter 56: Safety Services
A description is not available for this item.

References

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