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Put a 4 mm hole in the box, red or blue ring crimps on the end of the sleeved cpcs, and connect them all together. You could/should (don't want to start a seperate debate) then do loop impedance tests from all lighting points to check that your cpcs are continuous and you have a good connection...

My apologies, Crafty. I didn't see the "1.5 mm" bit. Obviously I was missing something. Roll on 2 weeks off.

Presuming you know nothing substantial about electrical installation work, the traditional method of becoming a qualified electrician is to study for an NVQ level 3. Level 3 courses are generally reckoned to be equivalent to AS levels. An NVQ3 is currently made up of 2 parts, the C&G 2330 which...

Why the 13 A fuse? If the ring is being extended, you won't need a fuse in the circuit. Am I missing something here?

In my experience the small porcelain push-in connectors that come with some types of lamp do not generally last very long. They have a relatively large current flowing through them due to the extra-low voltage, arcing can occur if the connections isn't 100%, causing carbonisation and a higher...

IP ratings are fairly straightforward in terms of the 1st two digits. The problem comes when considering the 3rd, rarely used, digit. This is used to denote protection against mechanical impact, useful for some types of electrical equipment. A quick internet search reveals that several sites...

This is a link (if it works, I've never done this bit before) to one of my 'current' favourites. http://imagehost.darkernet.co.uk/i/1132935770_Image2.jpg Check out the remains of the clamp meter at bottom right!

I'm looking to set up a gallery at the college where I work of actual examples of outrageous wiring practice. Does anybody have any digital images of horrendous and blatant DIY work that I can post on to our system to highlight the dangers of 'getting it wrong'? There is some good stuff on...

what you need to do is change the mcb from a b type to a c or even d type. your local wholesaler should be able to order the correct one. in response to the Ze issue, this is only relevant where you are not using an rcd for protection against whats termed 'indirect contact'. as this is a garage...