As I'm working up a server room and some UPS's, a question arises. The APC units we have have a different plug and current rating from the circuits in the wall. In particular, we have L6-30R receptacles and the APC requires only 20A. I had thought that it would be perfectly safe to replace an L5-20P with an L6-30P and plug a 2200 VA UPS into a 30 amp circuit, but the electrician who was doing some of the rewiring said "we can't do that" because "the 30A circuit breaker might not blow in time to protect" the 2200 VA device from damage in the event of an internal short.
This argument seems quite senseless to me. If this argument were correct we could never plug a 15 A device into a 20 A circuit, etc. It would really simplify my life if I can just rehead the cable. Do any of the electricity-savvy people here have any comments regarding the safety or legality of doing so? I have always assumed that going up a size in circuit capacity is generally safe and legal... I'm planning to do the rewiring of cables today soon, so if you know something about his please respond "soon". rgb -- Robert G. Brown http://www.phy.duke.edu/~rgb/ Duke University Dept. of Physics, Box 90305 Durham, N.C. 27708-0305 Phone: 1-919-660-2567 Fax: 919-660-2525 email:[EMAIL PROTECTED] _______________________________________________ Beowulf mailing list, Beowulf@beowulf.org To change your subscription (digest mode or unsubscribe) visit http://www.beowulf.org/mailman/listinfo/beowulf
