Expired

Connect an outdoor security spotlight to an indoor mains socket?

Banned 11 replies
Found 16th Oct 2013
I want to get an outdoor, halogen PIR light up on the back of the house. I'd prefer to do it myself so connecting it to the indoor mains would be easiest. We've got a hole in the side of the conservatory (use to be for a pond water pump and fountain) where I can thread the mains lead to a socket inside.

However I don't know if you can buy these types of lights with plugs attached. Can you? Or is this going to be a job for an electrician to hardwire it to the mains?

11 Comments

Not sure you should, but i have done a very similar thing, i just used a piece of flex off an old extension cable & put a plug on the end.

Been up for 3 years now.

The outdoor light you buy will be very unlikely to have a flex/cable on it, so there is nothing to stop you fitting a cable with a plug on it, but, is this the right way to do it? No, external cables are different to those used internally and it is not a good idea to have a cable come in from out side and plug in. There is a reason why the lighting circuit is a different amperage to the plug in circuit. Get a sparky in and do it properly.

it should be fine. a plug on the end i seen used on many occasions.

done it myself a number of times just change the 13amp fuse to a smaller one

For your own safety, make sure you have a RCD fitted. It would be better to use external waterproof cable as normal flex may deteriorate and expose a risk to shock if faced with the changes in weather and temperatures. Use the correct fuse for the device. Ding's advice is incorrect. A 1KW lamp would need a 5 amp fuse. Above that, 13 amp. 3 amp for lamps under 500 watts.

This thread shows that the last place you should come to for electrical advice is this site.

The Therapist

For your own safety, make sure you have a RCD fitted. It would be better … For your own safety, make sure you have a RCD fitted. It would be better to use external waterproof cable as normal flex may deteriorate and expose a risk to shock if faced with the changes in weather and temperatures. Use the correct fuse for the device. Ding's advice is incorrect. A 1KW lamp would need a 5 amp fuse. Above that, 13 amp. 3 amp for lamps under 500 watts.

therefore fit a lower fuse who in their right mind would fit anything above 1kw unles you are lighting a runway,
Edited by: "ding" 16th Oct 2013

OP - if you need to ask questions as simple as that, then you aren't deemed competent* to carry out the works.

* a word used throughout the electrical regulations

Yes ,as said .you can happily stick a length of wire with a plug to an exterior lamp and plug it into a socket without the need of a sparky or part p cert. The halogen lamps are 500w [large] , 150w [small] .But have alook at the new range of LED lamps .I bought a few from JTF [wholesale]. They were the large style with 45 LED's in .I wired one up in the house to try and my electricity usage meter [OWL] never moved . There not as bright as the halogens but they use alot less electricity .

http://s163.photobucket.com/user/Rickardo_21/media/ledlamps.jpg.html][IMG]http://i163.photobucket.com/albums/t295/Rickardo_21/ledlamps.jpg[/URL][/img]

Jumpingphil,

I love that you make such broad statements, but, if you're suggesting that its ok to permanently mount an external light on normal flex using a mains plug with the only allowance to safety being a lower rated fuse then you haven't got a clue what you are talking about.
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