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MaiaN
Aug 18, 2004
I bought a replacement hall light from IKEA a few weeks ago, but I don't know how to install it. This is the first time I do anything with electricity, apart from converting cable plugs from UK to European pins (stereos and whatnot).

Now, the ikea paper leaflet has a specific slot for the neutral wire and the live wire. The wires on my hall light, however are both exactly the same. Does it matter where I plug each cable in?

Current light:


IKEA leaflet:


Another question I have is for mounting it to the wall. There are two screws, do I need to drill a hole in the wall and then put the screws in, or just screw them in? The walls I have are quite thin (about 7cm) made of terracota-like hollow bricks with about 1cm plaster covering them.

Screw diagram:

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MaiaN
Aug 18, 2004

PurDunamis posted:

'Does it matter?' covers 3 questions - Will it work, will it be safe and does it meet local regulations. I have no idea what the local regs would be in your part of the world, and for the first two, it depends on the fitting you have. With most light fittings it doesn't make much difference which way around you connect the live and neutral in terms of function, but when it comes to mains electricity it's not a good idea to guess - especially since just because it works, doesn't mean it's safe.
I bought some fluorescent lights for my kitchen today and asked the person in the shop for advice. They said to just try, if the breakers tripped then it was the wrong way round. As for local regulations, I don't think there are any for something this specific over here (Spain).

How would I go about finding out which wire is which, if trial and error isn't really an option?

PurDunamis posted:

Drill, insert wall plug, then screw would be the way I'd normally do it.
Yeah I realised I'd need a wall plug while speaking with my dad about it today. For some reason I thought I'd be able to just screw the screws into the plaster :downs:

MaiaN
Aug 18, 2004

PurDunamis posted:

It's just occurred to me that in much of mainland Europe un-polarised sockets are the norm, so it won't matter which way around you connect the live and neutral, just make sure you wire up the earth correctly and you should be good to go.
It seems you are right, as I managed to install the light and it worked for a while. Until I was fiddling with the paper lamp shade and the breakers in the whole house tripped el oh el. I think the crappy insulation on the lovely wiring has disintegrated and the wire is now making contact with the metal backplate. I'll check on Monday if that is the problem.

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