Electrical Enclosure Nameplates
Electrical Enclosure Nameplates
(OP)
I would like to know if someone can point me in the right direction or tell me what is needed for the following. I have several motors of various Horsepower all connected into one panel. What is the Horsepower rating that goes on the nameplate






RE: Electrical Enclosure Nameplates
RE: Electrical Enclosure Nameplates
Even if you are an original equipment manufacturer (OEM), usually you'd just put a full-load-amps (FLA) rating on the panel, possibly supplemented with maximum overcurrent protection (MOP) and minimum circuit ampacity (MCA) ratings. If you are an OEM, though, I'm surprised you'd be asking this question.
RE: Electrical Enclosure Nameplates
RE: Electrical Enclosure Nameplates
Consult Underwriter's Lab Standard 508 for Industrial Control Equipment.
RE: Electrical Enclosure Nameplates
RE: Electrical Enclosure Nameplates
Adding up the horspowers and stating that total makes little sense to me, as that number is at best vague and at worst misleading. There's very little information to be gained from such a number outside of assistance in generating a crude estimate of full load amps. Such a number could NOT be used to size feeders, protection, etc., and therefore is almost useless.
Listing the individual motor sizes would make more sense to me. If you're inspector's cool with that, I'd provide that instead. But generally, I'd say put whatever nameplate he wants on there just to shut him up and keep him happy. Nameplates are cheap, and no-one should really trust such a nameplate anyway, but rather look at the motors or drawings to see what's really connected.