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DIY | DIY
electrics | Wiring a plug
Here is how to wire a plug for an appliance,
most electrical items come with a fitted plug now but just in case
you need to wire a plug here are the instructions.
There are three pins in the plug but sometimes on double insulated
electrical items only two of these are used!
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The terminal at the top of the picture is the Earth terminal,
this is where the green and yellow wire goes (if there is one).
Double insulated appliances do not need a earth wire!
The brown wire goes to the Live terminal which is connected
to the fuse, which is on the right.
The blue wire connects to the neutral terminal on the left of
the plug. |
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Here you can see three screws, the one in the centre holds
the plug together and the two lower ones hold the cord grip
in place.
The cord grip screws must be tight and the cord grip should
hold the cord sufficiently to prevent the cord from being pulled
out from the plug. |
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Hold the wire up to the plug ensuring that the wire reaches
the furthest terminal on the plug, which will be the earth terminal.
Mark a line with a pen or similar inside of the cord grip, it
is essential that the cord grip grips the outer insulation on
the wire and not the inner insulation of the single wires.
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Using a sharp knife carefully score the surface of the outer
insulation, making sure that the inner insulation is not cut.
If you do cut the internal insulation, you will have to cut
the wire completely and start again! |
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Bend the outer insulation back and forth a few times and you
should then see a clean break in the insulation, like in this
picture. Grab the short end with some pliers and remove the
piece of insulation. |
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Now hold the wire up to the plug and you will see that the
wires need trimming or they will be too long.
Using a pen mark the correct length for the wires and cut them
to the correct length. |
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Once the wires are the correct length remove some insulation.
There are two ways of doing this- I prefer removing about 10mm
of insulation then twisting the cores of the wire together and
folding the bare wire in half before inserting it into the terminal
as this grips much better. Alternatively you can just remove
about 5mm of wire and feed it directly into the terminal. |
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Feed the whole wire through the cord grip and Push each wire
individually into the correct terminal and tighten the screws
firmly.
Ensure that no wires will be trapped when the top of the plug
is replaced.
The cord grip screws must be tight to ensure the cord cannot
be pulled out of the plug! |
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Finally ...
Ensure that the correct size fuse is fitted to the plug and
refasten the top of the plug! |
Courtesy of Ultimatehandyman.co.uk
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