I'm planning to install an electric oven (240V) and a microwave oven (120V). rosscooperman. And 25 amp for nearly an hour. The instructions do state that the oven draws 15.4 amps. I was wondering if it would be okay to use 10/2 wire on branch circuits in my house? I have a few questions that I need help on. 20 amp or 30 amp. Most 120 volt outlets are rated for 15 amps. ... for sockets outside of kitchens where 32A rings are still useful. After calling the electrician to explain the problem, the electrician said he will upgrade the breaker to 30 amps? NEMA 6-20 outlet on a 30 amp circuit. I'm guessing it's a simple enough job to hard wire the two new 16A ovens to the existing 32A supply - … 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. How many lights would you say you can run on 12-2 and/or 14-2 wire? The pigtailed #12's coming off of … 1. Not that microwaves come with plugs fitting them. apparently. September 21 in Model 3. … Hob is listed at 3.68kw Oven at 6.8kw or 5.7kw depending on if you go by the manual or manufacturers website! (on a 15 or 20 amp circuit). You can use a device that has a 15-amp plug with either a 15- or 20-amp receptacle. JavaScript is disabled. Replacement ovens seem to all require 40 amps. 20 AMP Circuit with 15 AMP Receptical, is this OK, and in code? Would using a GFCI outlet instead of a standard one increase the safety of this installation? 12-2 wire has been ran throughout the house. His electrician installed a 20amp 2pole breaker. 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. Crazy Horse dreamed and went into the world where there is nothing but the spirits of all things. Back to the original question - per the NEC (210.21 is the section), you can only have 30-amp receptacles on a 30-amp circuit. I was told I would also need a junction box installed and circuit upgrades. 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.. 30 amps needs 10 ga wire, and a 30 amp plug, 20 amps needs 12 ga wire and a 20 amp plug. I'm hoping to buy an adaptor like this or this to plug it into an existing 14-30R 220 outlet. I have a 30 in drop in range that is hard wired. 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. But, in terms of physics larger wire will not change anything. Yes of course. The oven draws 15 amps or so and its not heating up. Compatibilities between awg wiring, breaker amp size, outlet amp size. It's a code violation not to install the range according to the manufacturers directions. 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 two 30's tied together is not a 60, it is a 240v 30 amp. 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. I have a question regarding putting a 20 amp outlet on a 30 amp circuit. Changing out to 120 volts/20 Amp, requires a 20 amp breaker, receptacle, bigger wire on a smaller breaker is OK. If you do it incorrectly you will ruin your dryer. 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! If there have been home owner improvements over the years this matching may be in doubt. Thanks! Depending on the skill and confidence working on electrical projects we may be able to walk you through the process of converting the circuit. 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. We plug lower amperage devices into higher current outlets all the time like our cell phone chargers and 60W lamps into 120VAC 15Amp sockets. The new range is a slide in and requires 40 amps. Im not sure what you mean by current taken. 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. Microwaves require a 20-amp branch circuit due to constant load and spike issues. A 40 amp appliance needs #8 wire. The 10 awg cable usually has an outer orange Jacket. A 40 amp circuit is limited to 32 amps. If it 10 gauge that 30 amp breaker will need to stay, if the wire is larger (smaller gauge number) then … Now why he used #10 Im not sure about that. They should have covered the basics in the first term. 20A would be awful low for an oven. I just passed by their place and she said the oven does not get hot at all. An oven is a continuous load since it can pull its full rated power for an indeterminate time. 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). You can draw 40 amp for about a minute. However, I feel like this may be too small. Stratmando has it pinned. 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. The wife wants to replace it with two single ovens, each rated 3.6 kW - 16A. So there are outlets rated for 20 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. You definitely need new wires for the microwave. Any help would be greatly appreciated. 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. 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). 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? It is one indication of the size. ... – Tyson Oct 29 '17 at 20:14. Was this the Ikea oven that the guy posted about in the DIY forum? 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. 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. Am... Old spare Fused spur or new junction box to supply new lighting circuit. 1. I recently purchase a GE 30 inch single wall oven and 30 inch cooktop. The circuit breaker is 30 amps, house built in 1987. VerticalScope Inc., 111 Peter, Suite 901, Toronto, Ontario, M5V 2H1, Canada. The original #6 would also indicate a larger original Amp installation. 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. Can you use a 15 amp outlet on a 20 AMP breaker with 12-2? Personally, I would just go ahead and install the right circuit for the machine, with the correct plug and wiring, etc. Hell, they should have gone over volts and amps in the first day/week. I have a colleague that just recently had a wall oven installed. 30-50A is more typical depending on size, etc. Thanks, I do understand a lot about the trade, obviously not as much as a journeyperson. The thicker gauge required by 20-amp circuits ensures the wires do not overheat under a 20-amp load. 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. 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? Why (Some) Microwaves Require a 20-Amp Circuit. 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. Is it weird how saying sentences backwards creates backwards sentences saying how weird it is? Reply to 32amp MCB and cable to 20 amp oven in the Electrical Wiring, Theories and Regulations area at ElectriciansForums.net. 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. Come join the discussion about trade knowledge, tools, certifications, wiring, builds, scales, reviews, accessories, classifieds, and more! This allows the breaker to handle the temporary surge that happens when an appliance such as a … I want to replace my current cooktop and oven with a 40 amp electric cooktop (induction-type) and a 20 amp electric oven. Same for 240VAC outlet. The standard wire size on a thirty amp breaker is #10. But if the oven draws 15 amps will this ruin the oven? Thats it, Unless the breaker is tripping, replacing it with a larger size breaker isn't going to do anything. 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. Have to assume 12 gauge wiring(?) 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! I have an oven I recently bought that has a NEMA 6-20P 220V plug. 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. A 30 amp circuit cannot supply a single load of more than 24 amps. Changeover from old oven to new. A forum community dedicated to professional electricians, contractors, and apprentices for residential and commercial work. This breaker is probably 24 years old and should just be replaced with a new 20 amp … There are a few areas I'm weak with probably because I dont review them as much as I should. It is there to protect the cable over heating and avoid your house catching fire. 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. It's a code violation to install a 40 amp recpetacle on the 30 amp circuit. I've had an old boiler removed … A plug is an object located on one end of a power cord that connects an electrical device to a receptacle. And 30 amp for about 5 minutes. 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. Your 20 amp breaker doesn't have a big enough wire to support a 30 amp breaker. 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. Can you use a 15 amp outlet on a 20 AMP breaker with 12-2?? 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. Post reply Insert quotes… 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. All current electric ranges require at least a 40 amp circuit and some (like the one you bought) spec a 50 amp circuit. You CAN NOT simply change the receptacle or plug on the dryer. Or am I going to be forced to run another line to the breaker box specifically for the microwave? 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. The instructions do state that the oven draws 15.4 amps. This breaker is probably 24 years old and should just be replaced with a new 20 amp … For a better experience, please enable JavaScript in your browser before proceeding. A 15-amp circuit is usually served by 14 gauge wire, while a 20-amp circuit must be served by12-guage wire. Your 20 amp breaker doesn't have a big enough wire to support a 30 amp breaker. You definitely need new wires for the microwave. Leave the 240 as a dedicated line and pull new wire and circuit for the microwave. I think i would feel safer running both on a 30 amp breaker (again each on its own). Re: 40 amp range, 30 amp circut [ … Oven that came with the house when new 22 years ago has dedicated circuit with 20 amp breaker. That is the real world that is behind this one, and everything we see here is something like a shadow from that one. 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. Now why he used #10 Im not sure about that. Discussion in 'Electricians' Talk' started by kathekas, Jul 6, 2017. kathekas Member. The wall oven could be put on 500MCM, still will not change anything. I'm planning to install an electric oven (240V) and a microwave oven … We have a 7.2kW rated double oven at the moment, hard wired to a supply protected by a 32 amp fuse. Most household electrical receptacles have a 15-amp rating, but they connect to a 20-amp circuit. What amp breaker should I use for a 20 Amp electrical oven and a 40 Amp range? So the top is gas and the oven is electric, am I deciphering that right? Wire can handle the over, its good for 30amps. Your existing wiring is 240v on a 50 amp circuit. By this standard, the total current draw on a 20-amp circuit shouldn't exceed 16 amps. 2. 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