Feb 6, 2026 · 4. Why do 20 amp outlets (duplex recepacles) exist if 15A outlets are rated for 20A? The question should be why do 15 amp duplex receptacles exist. Prior to the 2023 NEC a 20 amp duplex …

Jun 8, 2018 · Hello, The information I've found seems to be conflicting regarding this topic. Let me give a simple example - a circuit supplied by a 20 amp breaker is wired with 12 guage wire. It supplies …

Aug 5, 2005 · Re: Two dedicated 20 AMP Circuits... I see this as an opportunity to learn something. Would it be permitted to do this using two single pole CBs and 12-3 W/gnd? You would have a …

Feb 23, 2007 · If I have a run of 20 amp wire on a 15 amp breaker can I connect the 20 amp wire to 15 amp outlets and switches?

Apr 26, 2017 · What that would have told you is that you can bring #10 wire to the receptacle, and the 30 amp breaker can protect that wire. But what 210.21 (B) will tell you is that a 30 amp breaker …

Jul 10, 2012 · If you had a 20a breaker and circuit but the distance required # 8 wire due to VD would anything be wrong with doing that? I would think the breaker would need to be changed .. No? …

Jan 2, 2014 · I though continuous loads were calculated at 125% (or 75% of the circuit breaker rating) example would be a 20 amp 240 volt wall heater circuit could only have 3,600 watts (240x20=4,800. …

Jul 6, 2007 · 2) The 'guts' of 15 and 20 amp duplex receptacles are identical when you compare the same make and grade. 3) To obtain a UL listing the 15 amp duplex must be suitable for use on 20 …

Feb 17, 2022 · Is there any code reference that wont allow a receptacle larger than the ampacity of the circuit? Specifically using a 20 amp circiut and installing a 30 for convenience.

Apr 15, 2008 · The challenge is to avoid adding another electrical panel and more breakers I hoping to place two plug-in hotplates on there own single, 120v/20 amp receptacle with those two single …