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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
  • Weirdbeard:
    Zoomup:

    Thanks Weirdbeard that link was enlightening. There's nothing new under the sun.


    Z.


    You are welcome best wishes x :)


     




    The video clip that I posted details of previously in this thread showed a P.C.B. fuse inside the fan unit. That is good. I think that 250mA ceramic fuses could be used which would operated more efficiently under fault conditions. That and a thermal fuse in the motor windings  as well. A 3 Amp fuse will not prevent a fire even if it is asked for by the manufacturers.


    Z.


    Z.


Reply
  • Weirdbeard:
    Zoomup:

    Thanks Weirdbeard that link was enlightening. There's nothing new under the sun.


    Z.


    You are welcome best wishes x :)


     




    The video clip that I posted details of previously in this thread showed a P.C.B. fuse inside the fan unit. That is good. I think that 250mA ceramic fuses could be used which would operated more efficiently under fault conditions. That and a thermal fuse in the motor windings  as well. A 3 Amp fuse will not prevent a fire even if it is asked for by the manufacturers.


    Z.


    Z.


Children
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