Discuss Downgrading MCB to protect cable but has fixed load greater than IZ in the UK Electrical Forum area at ElectriciansForums.net
I can't tell you the complete laws of thermal dynamics or heat transference. It is like that at the switch and 30cm up from the switch. I ve seen quite a few instances of heat damaged cables the fishy smell is present
Ohms law suggests it wouldn't with only around one-and-a-half milliamps flowing.
In answer to the OP's question though, a circuit breaker should not be used as a load-limiting device,
Reply to Downgrading MCB to protect cable but has fixed load greater than IZ in the UK Electrical Forum area at ElectriciansForums.net
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