On Sun, 22 Sep 2019 08:23:45 +0100, PeterC
wrote:

snip

A 3W LED might not keep the compressor on all the while but it would affect
the running - domestic refrigeration is very feeble.

Aren't there some fridges that use the heat from the lamp for
defrosting or somesuch?

I have replaced our fridge lamp with an LED and it seems to be ok.

Cheers, T i m