20A would be awful low for an oven. It seems like the only problem would be that the circuit breaker would not trip in the event that the oven for some reason pulled in more amperage than it should. NEMA 6-20 outlet on a 30 amp circuit. Im not sure what you mean by current taken. You definitely need new wires for the microwave. My old electric double oven has a separate cooker switch in the kitchen and is wired into a fuse box with a 30 amp fuse. I have a few questions that I need help on. Actually, there is a difference between a 15 amp and 20 amp outlet and it has nothing to do with the wiring, it is what the internal parts of the receptacle can handle. How... Hi. I recently purchase a GE 30 inch single wall oven and 30 inch cooktop. 20 AMP Circuit with 15 AMP Receptical, is this OK, and in code? You can draw 40 amp for about a minute. I was told I would also need a junction box installed and circuit upgrades. Re: 40 amp range, 30 amp circut [ … Is there a resource out there, prefereably on the web, that outlines the compatibilities between awg wiring, the breaker amp size, outlet amp size, how many recepticles/outlets can be on x amp outlet, etc? His electrician installed a 20amp 2pole breaker. well i know the recommend 20 amp min on gas stoves.. i err on the side of caution I'd say a bare min 32 amp circuit for stove/cooktop.. though i'd go the extra mile and allow 40amp for all electric system per cooktop and stove.. as I allow leeway for over current, power draw of device can be more than stated recommendations.. This breaker is probably 24 years old and should just be replaced with a new 20 amp … apparently. You definitely need new wires for the microwave. Leave the 240 as a dedicated line and pull new wire and circuit for the microwave. Microwaves require a 20-amp branch circuit due to constant load and spike issues. Am... Old spare Fused spur or new junction box to supply new lighting circuit. But if the oven draws 15 amps will this ruin the oven? The standard wire size on a thirty amp breaker is #10. I have a colleague that just recently had a wall oven installed. Changeover from old oven to new. An oven is a continuous load since it can pull its full rated power for an indeterminate time. Personally, I would just go ahead and install the right circuit for the machine, with the correct plug and wiring, etc. Your existing wiring is 240v on a 50 amp circuit. Have to assume 12 gauge wiring(?) You CAN NOT simply change the receptacle or plug on the dryer. The 40 amp cord is a bit of an anomaly, the GE WX9X35 is a cord that is specified as a 40 amp cord, it has a 50 amp prong configuration, with 40 amp wire. It looks like both may be rated for 20 amp breaker (each on its own dedicated circuit). (the smaller the number the larger the wire). Would using a GFCI outlet instead of a standard one increase the safety of this installation? A 20 amp circuit requires a number 12 wire while a 30 amp breaker requires a number 10 wire based on the national electric code. Currently, I have a 6 gauge wire and a 50 Amp breaker, and my current electrical cooktop and electrical oven are both hooked up to this. And 25 amp for nearly an hour. What amp breaker should I use for a 20 Amp electrical oven and a 40 Amp range? I'm replacing appliances in my kitchen, and there's currently a 30 amp, 240V, 3-wire + ground feed to the location where the oven is located, on a 30 amp, double pole breaker. A 15-amp circuit is usually served by 14 gauge wire, while a 20-amp circuit must be served by12-guage wire. If the oven is not heating up, something else is wrong. Any devices connected to a 20 amp circuit should be using a #12 wire as a feeder and the outlet should be rated at 20 amps. 1. Just to clarify, "20 amp outlet on a 30 amp circuit" your outlet isn't amp rated, the wire and the breaker consistute the max amperage of the circuit. Your 20 amp breaker doesn't have a big enough wire to support a 30 amp breaker. How many lights would you say you can run on 12-2 and/or 14-2 wire? If it 10 gauge that 30 amp breaker will need to stay, if the wire is larger (smaller gauge number) then … Same for 240VAC outlet. After calling the electrician to explain the problem, the electrician said he will upgrade the breaker to 30 amps? If you were to run a 20 amp receptacle off a 30 amp circuit, the breaker would allow 30 amps before tripping, which is more than the receptacle is made for, and can cause short circuits and fires, so this is not to be done! Post reply Insert quotes… It's a code violation to install a 40 amp recpetacle on the 30 amp circuit. 20A is used because it is safe on a 2.5mm2 T&E circuit and a 16A would be equally as safe but not as much capacity as a 20A. You can use a device that has a 15-amp plug with either a 15- or 20-amp receptacle. The pigtailed #12's coming off of … The new range is a slide in and requires 40 amps. A 40 amp appliance needs #8 wire. Replacement ovens seem to all require 40 amps. Once upon a time, a long, long time ago in a galaxy far, far away, there were some "drop in" coil burner range models that were rated to run on a 30 amp circuit. I recently moved into my home and discovered a few things. (on a 15 or 20 amp circuit). 30-50A is more typical depending on size, etc. On a standard C type 20A breaker will only instantly trip at about 100A. If you were to run a 20 amp receptacle off a 30 amp circuit, the breaker would allow 30 amps before tripping, which is more than the receptacle is made for, and can cause short circuits and fires, so this is not to be done! 3rd term apprentice? They also state that the specific model oven should be on a 20 amp breaker so I'm assuming thats why he put in a 20 amp breaker. There are a few areas I'm weak with probably because I dont review them as much as I should. The thicker gauge required by 20-amp circuits ensures the wires do not overheat under a 20-amp load. This breaker is probably 24 years old and should just be replaced with a new 20 amp … Changing out to 120 volts/20 Amp, requires a 20 amp breaker, receptacle, bigger wire on a smaller breaker is OK. rosscooperman. A 40 amp circuit is limited to 32 amps. The circuit breaker is 30 amps, house built in 1987. Hell, they should have gone over volts and amps in the first day/week. That is the real world that is behind this one, and everything we see here is something like a shadow from that one. This is sort of similar to the other thread, but my problem is the house I bought is wired with 12, all the breakers are 20AMP except for the 30AMP for the AC and Dryer. The builder of our condo did a lot of stupid things but one of the more idiotic was wiring the circuit for our drier in this way (NEMA 6-20 receptacle on a 30A circuit). The original #6 would also indicate a larger original Amp installation. Wire can handle the over, its good for 30amps. Any help would be greatly appreciated. So the top is gas and the oven is electric, am I deciphering that right? The wall oven could be put on 500MCM, still will not change anything. This allows the breaker to handle the temporary surge that happens when an appliance such as a … The instructions do state that the oven draws 15.4 amps. For a better experience, please enable JavaScript in your browser before proceeding. Discussion in 'Electricians' Talk' started by kathekas, Jul 6, 2017. kathekas Member. Most 120 volt outlets are rated for 15 amps. Stratmando has it pinned. The instructions do state that the oven draws 15.4 amps. Your 20 amp breaker doesn't have a big enough wire to support a 30 amp breaker. I was wondering if it would be okay to use 10/2 wire on branch circuits in my house? I think i would feel safer running both on a 30 amp breaker (again each on its own). Why (Some) Microwaves Require a 20-Amp Circuit. By this standard, the total current draw on a 20-amp circuit shouldn't exceed 16 amps. Thanks! Can I split off a single 20 amp, 120V receptacle for the microwave oven from one of the hot feeds while maintaining 240V for the oven? Hob is listed at 3.68kw Oven at 6.8kw or 5.7kw depending on if you go by the manual or manufacturers website! Or am I going to be forced to run another line to the breaker box specifically for the microwave? … JavaScript is disabled. The wife wants to replace it with two single ovens, each rated 3.6 kW - 16A. The 10 awg cable usually has an outer orange Jacket. For a kitchen remodel I am replacing a range which is wired with a 50 Amp circuit an 6 AWG AL wire with a cooktop calling for a 30 Amp circuit and 20 Amp oven which will be installed below the cooktop. Reply to 32amp MCB and cable to 20 amp oven in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net. Thats it, Unless the breaker is tripping, replacing it with a larger size breaker isn't going to do anything. I have a question regarding putting a 20 amp outlet on a 30 amp circuit. I want to replace my current cooktop and oven with a 40 amp electric cooktop (induction-type) and a 20 amp electric oven. Oven that came with the house when new 22 years ago has dedicated circuit with 20 amp breaker. They should have covered the basics in the first term. A 20 amp circuit requires a number 12 wire while a 30 amp breaker requires a number 10 wire based on the national electric code. I have an oven I recently bought that has a NEMA 6-20P 220V plug. I just passed by their place and she said the oven does not get hot at all. Was this the Ikea oven that the guy posted about in the DIY forum? I'm planning to install an electric oven (240V) and a microwave oven … The two 30's tied together is not a 60, it is a 240v 30 amp. The wiring was hopefully matched to your circuit breakers when it was installed. They also state that the specific model oven should be on a 20 amp breaker so I'm assuming thats why he put in a 20 amp breaker. I'm planning to install an electric oven (240V) and a microwave oven (120V). Is it weird how saying sentences backwards creates backwards sentences saying how weird it is? 1. Not any more. Some devices drawing more than the 12 amps a 15 amp circuit is derated to, use a different style plug rated for 20 amps and require a matching 20 amp outlet. Come join the discussion about trade knowledge, tools, certifications, wiring, builds, scales, reviews, accessories, classifieds, and more! 30 amps needs 10 ga wire, and a 30 amp plug, 20 amps needs 12 ga wire and a 20 amp plug. 20 amp or 30 amp. All current electric ranges require at least a 40 amp circuit and some (like the one you bought) spec a 50 amp circuit. ... for sockets outside of kitchens where 32A rings are still useful. September 21 in Model 3. However, I feel like this may be too small. Crazy Horse dreamed and went into the world where there is nothing but the spirits of all things. I'm guessing it's a simple enough job to hard wire the two new 16A ovens to the existing 32A supply - … Now why he used #10 Im not sure about that. A 30 amp circuit cannot supply a single load of more than 24 amps. I have a question regarding putting a 20 amp outlet on a 30 amp circuit. I have a 30 in drop in range that is hard wired. Depending on the skill and confidence working on electrical projects we may be able to walk you through the process of converting the circuit. You can certainly have a 20-amp breaker protecting #10 conductors and use 15 and 20 amp receptacles on the circuit (the 15 amp receptacles are OK providing it's a multi-outlet circuit). The outlet fixture is the same but the wiring inside the outlet leading to the breaker box is heavier for a 20 amp than a 15 amp. When you plug in equipment or flick on a light, 99.9% of the time the circuit its being connected to is over sized for the load. Not that microwaves come with plugs fitting them. I've had an old boiler removed … Yes of course. Can you use a 15 amp outlet on a 20 AMP breaker with 12-2? Compatibilities between awg wiring, breaker amp size, outlet amp size. But, in terms of physics larger wire will not change anything. A 4-wire or 3-wire, single phase, 240 volt, 60 Hz., AC only electrical supply is required on a separate, 40-amp circuit, fused on both sides of the line. I'm hoping to buy an adaptor like this or this to plug it into an existing 14-30R 220 outlet. I saw that the code allows these two to be wired on the same circuit, but has a description on how to wire it that I do not exactly understand. So there are outlets rated for 20 amps. Most, or equally important is if it was 240 volt 30 amp, and now 120 volt, 1 wire will go to new single pole breaker, other wire goes to neutral buss … 3. A forum community dedicated to professional electricians, contractors, and apprentices for residential and commercial work. actually, there is a difference between a 15 amp and 20 amp outlet and it has nothing to do with the wiring, it is what the internal parts of the receptacle can handle. This installation right circuit for the microwave for 15 amps will this ruin the oven draws 15.. 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