Standard relevant to this chapter are :

BS 67   ceiling roses
Bs 196  protected types non-resersile plugs , socket outlets , cable couplers and appliance couplers
BS 546  Two ploe and earthing pin plugs , socket outlets and adaptors
BS 1363  13 A plugs , socket outlets and boxes
BS 3535-2  isolating transformets , and safety isolating transformets .Specification for trnasformers for reduced system voltage .
BS EN 60742 Isolating transformets , and safety isolating transformers .
BS 3676/BS EN 60669-1  - Switches for domestic and similar purposes .
BS 4177 cooker control units
BS EN 60309 Industrial plugs , socket outlets and couplers
BS 4573 Two -pin reversible plugs and shaver socket outlets .
BS 4683   Electrical apparatus for potentially explosive atmosphere . Type of protection 'n'
BS 5125  50 A flameproof plugs and sockets
BS EN 60079-14  Electrical apparatus for explosive gas atmospheres . Electricall installations in hazardous areas ( other than mines ) .
BS 5419 Air-break switches up to and including 1000V a.c.
BS EN 60947-3  Specification for low-voltages switchgear and controlgear
BS EN 60529 Specification for degree of protection provided by enclosures (Ip code )
BS EN 50014  Electrical apparatus for potentially explosive atmosphere
BS 5733 : 1995 General requirement for electrical accessories
BS 6220 : 1983  Junction boxes
BS EN 50281 -1-1,1-2   Protection of apparatus for use in presence of combustible dusts IEE Wiring Regulations BS 7671 particularly to this chapter are :
Regulations  412-03
Regulations  471-05
Section  476
Section  511
Section 512
Section 537
Section 553