Can you use a 20A recepticle on 15A circuit?

chris75

who cares? I gave the load.

Everything, like I already stated a million times, what code section allows a 50 amp receptalce on a 40 amp breaker? O'yeah, the same one that allows a 20 amp receptacle on a 15 amp breaker, you guys need to just read what it says and get over it.

farmerde

Chris,

On behalf of myself and every other dummy that maliciously performs maintenance on his home in order to cheat you out of a dollar; thank you very much for the information! You have proved yourself to be very knowledgeable. Please leave your address with my secretary and she will send you a dollar. No hard feelings.

Stubbie

If they didn't want a 20 amp receptacle on a 15 amp individual branch circuit then why is a 20 amp receptacle configured to accept a 15 amp power cord (Nema 5-15) or a 20 amp (Nema 5-20)? If this was a big issue they would just configure it to accept 20 amp cords only.... Or they would make it as a duplex only. There is some degree of common sense for portable cord and plug equipment or fixed in place cord and plug equipment. I can just as easily overload a 20 amp branch circuit serving multiple outlets with 15 amp appliances ( two hair dryers for example) as a 20 amp individual receptacle on a 15 amp rated branch circuit. In the end the breaker protects the wire. Also consider the fact that 14 awg copper has an ampacity of 20 amps but can only be breakered at 15.

Food for thought....if the branch circuit is a dedicated cord and plug motor load (with internal overload protection) could I not install a 20 amp breaker on that 14 awg and a 20 amp single receptacle? Assuming an flc of 16 amps. Read 430.42(C)

nap

because it makes a difference



You posed this question:

you said nothing of a code section. You asked if I had ever seen a 40 amp range receptacle. Your response above seems to imply a diffferent question.

nap

hush stubbie, I'm having too much fun screwing around with chris. I acknowledged my mistake long ago but figured since he was willing, I would just keep him running.


Oh, and Chris, the welder response; it does make a diff, there is more than one type of welder and the calcs a different and there were several questions that followed. The Ieff, duty cycle, quantity of welders supplied, and probably a few other items. The recep minimum ampacity rating is based upon the circuit conductor ampacity and to calculate that, there are questions to be answered. An 85 amp welder requires a circuit less than 85 amps. You ought to know that.

You defend your point well.

Stubbie

Hi Nap

Just had to get my 2 cents in on a thread like this. Chris is a pretty sharp cookie and I don't win too many disagreements with him.. I'm sure he is having as much fun as we are with this.

jamiedolan

I got us started in a discussion just like this over on terry love's site by pointing out that a duplex outlet in a photo that a electrical inspector posted was illegal. Not at first realizing this was a violation, After some discussion, the inspection did agree that the outlet was in fact a violation.

The discussion starts here at post #52 if your intrested:
http://www.terrylove.com/forums/show...t=24875&page=3

Jamie

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chris75

I was involved in that one as well.

nap

I hope so.

My apologies to you Chris if I ruffled the feathers. I was being a bit arrogant to start, you corrected me and at that time I figured I was going down fighting, or having fun.

for that



Hopefully no hard feelings.

jerryh3

Why point out the same pointless argument on a different site? Chris is right.

jamiedolan

Sorry if I offended you. It appeared to me that several people where having trouble understanding this and were confused by it.
I felt the thread on the other site was a good teaching example, as it showed how even a veteran code inspector was confused with the issue.

I was just attempting to be polite and helpful to those that had trouble understanding the issue. Not trying to cause any problems.

Merry Christmas
Jamie

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jerryh3

Sorry if the post came off offensive. The other site just points out another example of how the code is misread by some people. I find it funny that goofball with all the "accreditations" didn't know the difference between a single and a duplex receptacle.