IEC 60364-5-56:2009
Low-voltage electrical installations – Part 5-56: Selection and erection of electrical equipment – Safety services (Edition 2.0)

Standard No.

IEC 60364-5-56:2009

Release Date

2009

Published By

IEC - International Electrotechnical Commission

Status

Be replaced

Replace By

IEC 60364-5-56:2018 RLV

Latest

IEC 60364-5-56:2018 RLV

Replace

IEC 64/1677/FDIS:2009 IEC 60364-5-55:2001

Scope

GENERALFor safety services required to operate in fire conditions@ the following two conditions shall be fulfilled:?C?a safety source of supply shall be selected which will maintain a supply of adequate duration@ and?C all equipment shall be provided@ either by construction or by erection@ with protection ensuring fire resistance of adequate duration.?C?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.

IEC 60364-5-56:2009 history

• 0000 IEC 60364-5-56:2018 RLV
• 2009 IEC 60364-5-56:2009 Low-voltage electrical installations – Part 5-56: Selection and erection of electrical equipment – Safety services (Edition 2.0)
• 1999 IEC 60364-5-56:1999 Electrical installations of buildings - Part 5: Selection and erection of electrical equipment - Chapter 56: Safety services
• 1970 IEC 60364-5-56:1980/AMD1:1998 Amendment 1 - Electrical installations of buildings. Part 5: Selection and erection of electrical equipment. Chapter 56: Safety services
• 1980 IEC 60364-5-56:1980 Electrical installations of buildings. Part 5 : Selection and erection of electrical equipment. Chapter 56 : Supplies for safety services.