water heater the immersion
type usually rated maximum 3kW, and could considered as
a permanently connected appliance, fed from fused connection unit. 14.
However, many immersion heating systems are connected into storage
vessels about 150 litres domestic installations, and the Site Guide
states that immersion heaters fitted vessels excess litres should
be supplied their own circuit.
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Definition
● Write the margin definition a‘skilled’person.1.
Every switch must double-pole (DP) switch and out reach any-
one using fixed bath shower when the immersion heater fitted a
vessel bathroom.7.
Definition
An ordinary person one who nei-
ther electrically skilled instructed
person. Figure.
Supplementary equipotential bonding pipework will only required
as addition fault protection (IEE Regulation 415.Basic Electrical Installation Work
294
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Sockets
● How many sockets are there your home?
● How many sockets have you installed work new build house?
● How does your experience relate the numbers recommended here?
Additional protection for socket outlets
Additional protection 30mA RCD required addition overcurrent
protection for all socket outlet circuits used ordinary persons and
intended for general use.
.2) as
shown Fig.
An ordinary person one who neither electrically skilled or
instructed person.
Water heating circuits
A small, single-point over-sink type water heater may considered a
permanently connected appliance and may connected ring cir-
cuit through fused connection unit.1).
Therefore, immersion heaters must wired separate radial circuit
when they are connected water vessels which hold more than litres
.415.
This additional protection provided case basic protection fault
protection fails the user the installation careless (IEE Regulation
415. 6.17 shows the wiring arrangements for immersion heater.2) the immersion
heater vessel bathroom that does not have:
(i) all circuits protected 30mA RCD and
(ii) protective equipotential bonding (IEE Regulation 701
