The housing of the switch is metal with rubberised feet and bumpers. Thankfully I wasn't handling it when it was offline (and hottest), but the rubber was compl

The housing of the switch is metal with rubberised feet and bumpers. Thankfully I wasn't handling it when it was offline (and hottest), but the rubber was completely destroyed after the fact I assume the soldered innards failed, though I never did open it up to check properly.