Specification for residual current devices with or without overcurrent protection for socket-outlets for household and similar uses not-for-sale • System design parameters and

• System design parameters and requirements

BS 9991 on fire safety for residential buildings provides guidance on the ongoing management of fire safety in a building throughout the entire life cycle of the building

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Who is BS 9721 - Signal transformers for electronic equipment

requirements for hygienic and professional operation

Specification for residual current devices with or without overcurrent protection for socket-outlets for household and similar uses not-for-sale • System design parameters and1 Scope This British Standard applies to residual current operated devices (RCD) incorporated in, or specifically intended for use with, single pole and neutral and single pole and switched neutral and double pole socket outlets, with provision of earthing of the socket outlet for household and similar uses (SRCD: socket outlet residual current devices). SRCDs, according to this standard, are intended to be used in single phase systems such as phase