October 2013
Intermediate to advanced
192 pages
8h 30m
English
Content preview from Electric Wiring, 3rd Edition
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Lighting fittings 47
Ceiling roses and lampholders
A ceiling rose is used to make a safe and efficient connection between the
circuit wiring of an installation and the flexible wires of pendant lights fed
from the wiring.
Most modern ceiling roses are of the moulded-plastic type with an integral
mounting block. This means that unsheathed cables can be enclosed within
the fitting and there are no live metal parts exposed at the rear face.
The IEE Regulations require that an earth terminal be provided at all
lighting points and connected to the protective conductor of the final circuit.
Also,
if a looping-in terminal is used, so that it remain ...
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