UK Mains Electricity - How to wire a Three-pin Plug.
The three wires have a
This acts as an additional insulation
and is held securely inside the plug by a flex grip.
Each wire has its own coloured insulation, to
show if it is a live, neutral or earth wire.
The wire itself is made from copper, which is an
excellent conductor. The copper wire is held
by a small screw inside the brass pin of the plug.
Each wire is completely
covered by its insulation.
There should be no strands of wire showing
at the brass pin. The live wire is always connected
to the live pin of the plug by a fuse. The
outer insulation should be held firmly by the flex grip.
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