Electric Wiring, 3rd Edition

Main switches

31

The wiring

for a

domestic cooker should

be

connected

on a

separate

circuit, the rating being determined in accordance with the rules

for

diversity

given

in

Chapter 2, Table 2.2. Large cookers may require

a

45 A way.

Ring circuits for socket-outlets to

BS 1363

have both ends of

the

phase and

neutral wires brought back

to

the same fuse

(or

MCB) and neutral terminal

respectively

in the

consumer unit. Each separate ring circuit must

be

protected

by its own 30 A or 32 A

fuse

or

MCB. Radial circuits

for

socket-outlets

to

BS 1363 must

be fed via 20 A or

30

A or

32

A

fuses

or

MCBs,

the

rating depending

on the

cable size used. Furthe ...