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Wiring a plug
Difficulty Cost

   Contents

Caution
 
Electricity is dangerous and can be hazardous.
In doubt? Call a qualified electrician - Electricians

  Electric Plugs

 

The colours of wire used in flex should be Blue for Neutral (N), Brown for Live (L), and Green and Yellow for Earth (E or ), this is the current standard and has been so for many years. However the previous standard is sometimes encountered and this is Black for Neutral (N), Red for Live (L), and Green for Earth (E or ).

By law in the UK new electrical products should now come fitted with a plug. Plugs sometimes need attention because they become damaged, or need a fuse changing. A damaged plug should be changed immediately as it poses a safety risk.


 
  Fitting a new plug

 

Unscrew the new plug and remove the cover. The layout below is the layout of a UK plug. The fuse is on the right hand side and sometimes depending on the make of plug is best removed to allow access to the terminal.

The terminal on the bottom right next to the fuse should be connected to the Live (Brown) cable. The left hand terminal should be connected to the Neutral (Blue) cable. Finally the top terminal should be connected to the Earth (Green and yellow) cable.

A simple way to remember the correct positions of the wires is:

BL - Bottom Left - BLue

BR - Bottom Right - BRown

After connecting the wires, the appropriate fuse should be replaced (See Choosing the correct plug fuse) and finally the flex cable should be clamped in place using the cable grip at the bottom of the plug.

The cable grip is sometimes a screw down clamp and in other cases the plug has two flanges which the cable should be pushed into to make it secure. It is very important that the cable flex is secured in this way to make the plug safe.

The device to which you are fitting a plug to, usually has an Earth wire (Green and Yellow). However some devices are double insulated which means they do not require an earth wire. Such devices are marked with .

Most modern new appliances now come with a moulded plug, this can not be opened. If you need to replace the fuse in a plug of this type, the fuse cartridge in the centre of the pins of the plug can be levered out with a small screwdriver. A fuse of the same rating should be used to replace the blown fuse. It is importantto ascertain why the device blew a fuse in the first place.


 
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  Comments
SubjectPosted by Replies Posted at
Forum Topic Laptop Trolley Plug sade 8 24 Sep 07 at 13:30
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Forum Topic REWIRING A FRENCH LAMP WITH ENGLISH PLUG KKPB 5 25 Jan 07 at 11:14
Forum Topic Belgium plug wiring Belindap 4 16 Sep 06 at 19:40
Forum Topic wiring ceiling roses moose25 10 20 Aug 06 at 19:31
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Forum Topic Fitting a new plug caleb9 11 28 Mar 06 at 9:17
Forum Topic adding an earth wire bucket 3 31 Jan 06 at 17:35
Forum Topic rewiring a foreign plug maisiemouse 13 28 Nov 05 at 10:35
Forum Topic wiring a plug with no earth aine 2 16 Nov 05 at 16:01
Forum Topic flex switch wiring alexandermacleod 2 27 Sep 05 at 17:13
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Forum Topic Ceiling lamp wiring Cary 4 04 May 05 at 10:01
Forum Topic wiring plug viner 10 27 Apr 05 at 11:31
Forum Topic plugs smell-bo 4 07 Mar 05 at 22:50
Forum Topic Change UK plug to French busylady 7 11 Nov 04 at 16:13
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Forum Topic plugs skunny man 2 24 Nov 03 at 17:44
Forum Topic thanx Anonymous 0 10 Jan 03 at 10:52
Forum Topic plugs Anonymous 2 16 Dec 02 at 19:48
Forum Topic fuses Anonymous 1 16 Oct 02 at 19:11


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