SS 145-4:2022+C1:2024

Specification for 13 A plugs, socket-outlets, adaptors and connection units – Part 4 : 13 A fused connection units switched and unswitched


This part of SS 145 specifies requirements for 13 A fused fixed connection units for household, commercial and light industrial purposes, with particular reference to safety in normal use. The connection units are suitable for the connection of appliances, in a.c. circuits only, operating at voltages not exceeding 250 V r.m.s. at 50 Hz.

Requirements are specified for connection units incorporating a fuse link conforming to SS 167.

Requirements are specified for 13 A connection units with or without associated controlling switches, for flush mounting in suitable enclosures, e.g. boxes conforming to BS 4662:2006+A1:2009, or for surface or panel mounting. Connection units are intended for use with cables conforming to BS 6004 : 2012 or SS 358-3 having copper conductors. Connection units with cable outlets are additionally intended for use with flexible cables, conforming to the relevant part of BS EN 50525 or SS 358-5 on the load (output) side.




Status Current
Edition 2022+C1:2024
No. of Pages 62
ICS Classification 29.120.30 Plugs, socket-outlets, couplers
Committee Electrical and Electronic Standards Committee
Available for Purchase Global
Adoption BS 1363-4 : 2018 MOD