Page 669 - The City and Guilds Textbook: Plumbing Book 1 for the Level 3 Apprenticeship (9189), Level 2 Technical Certificate (8202) and Level 2 Diploma (6035)
P. 669
Chapter 11 Electrical principles and processes for building services engineering
It is only permissible to connect one unfused spur per socket on a ring final
circuit. The total number of fused spurs allowed on a ring final circuit is
unlimited.
Spur from junction box
p Figure 11.22 Limitations on fitting spurs
Plugs
A plug is a simple device that allows you to safely connect or disconnect an
appliance to and from an AC socket. A common cause of electrical faults is poorly
wired plugs. Here is a step-by-step guide to wiring a plug correctly and safely.
Earth wire
Fuse
Neutral wire
Line wire
Outer insulation Cable grip
p Figure 11.23 A correctly wired plug
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