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Summary: Learn how to correctly wire a plug and strip cable
Stripping wires etc can be very easy but a great deal of care needs to be taken. As with most jobs and as we keep repeating in this book, it is much easier, and safer with the right tools. Electricians will use side cutters or cable cutters for all of the jobs you will see demonstrated below and to the side.
You will not have the ability, touch or experience to do this and a tiny little nick out of a cable, flex or wires insulation can be lethal as it will allow current to arc across wires.
Changing a plug can be every bit as dangerous as drilling through a live cable if care is not taken.
The images below show how to strip a cable for wiring into a socket or switch. The cable used for appliances is called “Flex” this is dealt with further on.
The cable shown is a 2.5mm two core and earth. First the cable is nicked through the sheath at the end. Get this nick in the middle. Pull the sheath apart a little and you will see the bare earth wire in the centre. Clamp the wire with the side cutters gently and, holding the end of the cable in your other hand, pull the wire through the insulation. This will tear quite easily.
folded into a socket than too little.
Stripping flex is often more difficult than cable as it is usually more flexible because of thinner sheathing. Nicks in flex wires must be avoided.
Plugs are bought with a paper strip over the three pins which is, most of the time, taken straight off and thrown away. Reading this instruction card one can see that it actually gives some useful information such as the exact length the wire should be trimmed to, to enable an easy, safe connection to the plug terminal.
The live lead of your flex is coloured brown and goes to the live terminal on the plug. The connection is made at the end of the fuse in the plug. The live electricity has to pass through the fuse before it gets into the cable leading to your appliance. If anything is wrong, the fuse blows. Much more construction information is available in our bookstore. All the tools and fittings you need in the toolstore.
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