In telecoms 48V dc is very common and not always even connectorised! It's "safe-...

		matt-p on Sept 10, 2024 \| parent \| context \| favorite \| on: Serving AI from the Basement – 192GB of VRAM Setup In telecoms 48V dc is very common and not always even connectorised! It's "safe-ish" but DC makes me more nervous than 240v, big thick 400A cables into a rack are quite intimidating to see but the main issue is DC is sticky and doesn't have the safety protections of RCDs etc. Indeed you are lucky to get a working isolator.