Discuss Lighting circuit MCB size in the UK Electrical Forum area at ElectriciansForums.net
Depends on the fittings , if fittings are only wired in small guage wire then you can't.. also what are the switches rated at..
surely the gauge of the wire would be in relation to MAX current draw for the load they serve...Depends on the fittings , if fittings are only wired in small guage wire then you can't.. also what are the switches rated at..
not series though are they...My Thoughts are that the internal wiring within many fittings you find are quite small, with many fittings that can be connected to a circuit like this such as modular fittings have in line fuses within the fitting , I was thinking more on the lines of domestic fittings.
have been asked by a farmer to put a new lighting circuit in a shed. 4 x 400W low bay metal halide fittings controlled from 1 20A switch.As Above really , all depends on what your thinking of really, could you give a bit more info ?
so where have you got 16A from then?have been asked by a farmer to put a new lighting circuit in a shed. 4 x 400W low bay metal halide fittings controlled from 1 20A switch.
look its the same old story Richard...attempting to combat inrush by going for a higher I N...rather than doing the correct thing which is assessing the characteristics of this circuit & connected loads...then choosing the correct OPD to suit...If you have BC or ES lampholders you are limited to a 16A OCPD, if not then it is down to the fittings.
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