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Lights Supplied by 30 Amp Ring Final. B.S. 3036 Fuse.

HellOOOoooo All,


I came across a strange one today. I went to change a faulty touch dimmer switch for an ordinary light switch. I discovered that the two lights controlled by the switch did not originate at the lighting circuit, but from a 30 Amp wire fused ring final. The supply was connected to an old metal double socket box below the light switch, in an added conservatory, with a blank plate over it. I can not add a fused connection unit as the box is a double socket box. The blank plate is covered by a small easily removed panel convector heater. I was considering installing an inline fuse holder in the double socket box for the lighting circuit. The lamps are low energy types so overloading is very unlikely, but faults may occur.


Thoughts please.


Z.
Parents
  • Thanks. Oh yes, I had forgotten about the double size plate grid systems. I am out of touch. (The lighting is wired in 1.0mm2 T&E.)  Having said that I do use a smaller grid system on a single plate for fusing down extractor fans to 3 Amp for permanent L and 3 Amp for trigger L.


    "Presumably the lighting is wired in something smaller than 2.5mm² and/or the lights themselves aren't suitable for 30A protection (e.g. BC or ES lampholders - 559.5.1.204)."                       Yes Andy  there are two B.C. lampholders.



    Z.
Reply
  • Thanks. Oh yes, I had forgotten about the double size plate grid systems. I am out of touch. (The lighting is wired in 1.0mm2 T&E.)  Having said that I do use a smaller grid system on a single plate for fusing down extractor fans to 3 Amp for permanent L and 3 Amp for trigger L.


    "Presumably the lighting is wired in something smaller than 2.5mm² and/or the lights themselves aren't suitable for 30A protection (e.g. BC or ES lampholders - 559.5.1.204)."                       Yes Andy  there are two B.C. lampholders.



    Z.
Children
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