
92 Wiring fixed appliances
circuit, using suitable ratings for cables and switchgear. No diversity can be
allowed since all heaters are switched on and off together.
Single heaters wired to a separate way of the consumer unit may be
controlled at the outlet point by a 20 A unfused switch, preferably the type
with a flex outlet on the switch plate; the distribution fuses or circuit-breakers
should be of 20 A rating.
Where two heaters are wired on one circuit, the fuse or circuit-breaker in
the consumer unit, and the wiring, should be of 30 A rating. A double-pole
switch, preferably with flex outlet, should be provided adjacent to each
heater ...