> The first involves power delivery and calls for replacing 120/280V power distribution with 240/415V systems Is 120V used in datacentres in North America? Si

> The first involves power delivery and calls for replacing 120/280V power distribution with 240/415V systems Is 120V used in datacentres in North America? Since domestic plugs are mostly irrelevant, I'd assumed everything would use 240V (or whatever is the approximate value there). Datacentres in Europe etc use ~240V to each server's PSU, using IEC C13 or C19 plugs. The rack PDU (big power strip) or UPS connects to 3 phase 415V providing three groups of single phase 240V sockets.