I have pool heat pump plugged to 30A outlet, with 10#

my questions :

  1. following instructions on the plate, is it ok to leave this pump plugged to this 30A outlet (connected to 30A breaker) I mean is it safe or I must use 20A circuit, breaker 20A + 12# wire till the pump ( disctance 37' ) I don't have enoug space on my panel, so can I remove this 30A breaker and replace it with 20A ? (wiring as well )

  2. I heard that if the heater is hard wired is better than outlet because of wattage loss, is it the only reason or is it safer also ?


pool heat pump

  • "10#" # is not a descriptor for wire that i am familiar with. Do you mean AWG ( gauge ) en.wikipedia.org/wiki/American_wire_gauge – Alaska Man Jul 10 '20 at 18:38
  • 1
    Most electricians do call 10awg #10. – Ed Beal Jul 10 '20 at 18:40
  • 1
    Number ten (#10) as opposed to ten pound (10#). – isherwood Jul 10 '20 at 19:03
  • There must be something in the water today. several snippy comments JW was in a mood this morning and now isherwood. LOL...just teasing. – George Anderson Jul 10 '20 at 19:27
  • 1
    Number 10 means the government... – Solar Mike Jul 10 '20 at 19:33

The max rating is 25a so replacing the 30 amp breaker with a 20 will probably work. Most jurisdictions don’t allow a plug for a disconnect it would be proper to have a standard 30 or 60 amp rated disconnect , if it Tripp’s the 20 amp on start up you can use a larger breaker but because the MFG states max 25 that’s the max. You can always use larger wire so that is fine.

  • "most jurisdictions won't allow a plug for a disconnect" Is that because it could just be plugged back in without the maintenance person knowing it? – JACK Jul 10 '20 at 19:05
  • For a permanent install a disconnect is usually required corded devices are considered portable. – Ed Beal Jul 10 '20 at 20:12
  • Yeah, the limitation is on using flexible cords to connect permanent equipment, not in using a socket as a DC. Too use a cord it has to qualify for one of the excuses in 400.6-8. – Harper - Reinstate Monica Jul 10 '20 at 22:19

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.