Discuss Could this stuck hallway switch cause a fire ? in the Electrical Forum area at ElectriciansForums.net
who said there was a fire?It is almost impossible for that switch to have caused a fire in the area you have pictured.
Have the fire brigade not given you any clue as to where they think the fire started?
Thanks again for your detailed reply, are you referring to the big grey consumer unit or the junction box that caught fire ?The MI cable gland should not have been left floating in mid-air (although it wouldn't be the first one that was) with no support and exposed basic insulation. I suspect the solid conductor was too small to be securely clamped in the cutout terminal. It's a known issue with MI cables, which have a very high current carrying capacity for a given size, and therefore sometimes require specific termination methods to make a sound connection in larger terminals of similar rating. I doubt any kind of 'surge' was involved, more likely a steady heating load that slowly overheated the bad connection.
Reply to Could this stuck hallway switch cause a fire ? in the Electrical Forum area at ElectriciansForums.net
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