I have 10, 240v, 50w halogen down light which I want to wire in. I am going
to wire them daisy chain method and wondered what the best size of wire
I have some two core & earth 1.0mm (flat) , some three core PVC 1.0mm. Are
Also.....another quick question.... where I wanted to position a couple of
the lights, there are wooden struts/braces which goes between the 2 joists,
(I assume they are for attaching the original plasterboards). Would it
matter if my hole cutter severed a couple of these, as the layout for the
lights is quite crucial.
Severing struts/braces: If in any doubt at all - don't. You may be able
to nail/screw timber splints first. Be aware of the need to maintain
fire spread prevention measures, when penetrating walls/ceilings, if
The size of wire shouldn't be too critical - the load is only a couple
A lot of threads talk about the running costs of 240v halogen lamps of
this type. The lamps are expensive and have a high failure rate. You may
wish to re-consider and fit 12V lamps and a transformer instead - it
should pay for itself in no time.
This would depend.
A couple of things spring to mind. If these struts/braces are level with the
joists at the bottom them they are probably joist ties and damaging a couple
will not matter, although it would be better if you could replace them. Most
electricians and plumbers have to remove some on rewires and central heating
Some houses have plasterboard ceilings that are not attached to the joists
but are fastened to floorboard sized timber that is fastened perpendicular
to the bottom of the joists. You can cut through these to fit your lights.
Yes they are just level with the bottom of the joists and run about every
18" or so the full length of the house tying the joists together. It's a
bungalow so I don't think it's massively important to lose a couple.
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