# I am trying to find out if a stove and a dryer can be on the same 40 amp circuit and be able to operate both safely? Thanks for your help.

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No! THESE need THEIR OWN BREAKER.

Posted on Jul 01, 2009

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## Related Questions:

### Can 40mp dryer and 40 mp range be computable

But - Umm.. huh?

By "40mp" Do you mean 40 amp? They are both "computable" but I suspect that you meant compatible. If so, yes, 40 amps is 40 amps regardless of what it supplys, as long as the wire is the right type and size. I haven't seen a 40 amp residential dryer though. Residential electric ranges and electric dryers are both 240 volts - but the dryer is usually a 30 amp circuit (#10 copper) and protected by a double pole 30 amp circuit breaker. The range is a 40 amp circuit (#6 aluminum) and protected by a double pole 40 amp circuit breaker.

Feb 07, 2013 | Connecticut Electric Electrical Supplies

### I purchased a 7000W Westinghouse Portable Generator to back feed my circuit breaker box. The cable is rated to 30amps. Do I use a 30 amp or a 40 amp circuit breaker? Thanks, Mike

1) Match wire and breaker:
http://waterheatertimer.org/Color-codewire.html
http://waterheatertimer.org/See-inside-main-breaker-box.html

2) 7000 watts divided by 240 volts = 29.1 amps.
30 amp breaker x 80% safe maximum = 24 amps.
This means you should use 8 gauge wire and 40 amp double pole breaker for 240volt

3) 7000 watts divided by 120 volt = 58.3 amps.
60 amp breaker x 80% safe maximum = 48 amps.
So use 70 amp breaker and #4 wire.

Jan 30, 2013 | Electrical Supplies

### I have a new furnace and the breaker keeps tripping (20/30). It is a bryant westinghouse box. I think 200 amphes

1) You got a FIRE truck coming.

2) Wire is too small.
Problem is NOT circuit breaker.

3) Both 240Volt appliances on same breaker is a hazard, especially if space available in 200 amp service panel for more breakers.

4) Usually each 240V appliance has separate breaker.

5) Circuit breaker trips because of High heat on the wire.
If wire gets hot, it will start a fire inside the wall.

Electric code requires wire-size match breaker-size.

6) If you put larger amp breaker on same wire that is getting hot, then wire will get hotter.
Result: FIRE truck middle of night with folks jumping out window in glass-cut bare run across yard.

7) Each appliance has volts and watt rating on label.
EVERY appliance has label.

8) For example stove might be rated 8000 watts and 240Volt.
8000 watts divided by 240 volts = 33.3 amps
Stove would require 40 amp breaker and 8 gauge wire.

9) How to figure it out:
http://waterheatertimer.org/Color-codewire.html
http://waterheatertimer.org/How-to-install-a-subpanel.html

10) Do same calculation for new furnace.
12000 watt furnace divided by 240 volts = 50 amps.
Use 60 amp breaker and 6 gauge wire.

11) Summary: fixya wants you to be safe, and buy stuff showing in the ads.
Use a bigger breaker ONLY when bigger wire is also installed.
Call furnace installer, the installer should know to check safe wiring before installing.

Nov 04, 2012 | Bryant Westinghouse Bqc Quad Circuit...

### I will soon purchase a GE Double Oven (no stove top). I need to know what amperage I need to wire my kitchen for. 30? 40? 50? thanks.

A full upright range including 4 hotplates, oven and grill elements is generally rated about 8.0 to 10.0 kilowatts. The normal circuit in Aust. is a 32 amp circuit. Check the kilowatt rating of the double oven but I don't think it will be any higher than 6.0 kilowatt. If so the 30 amp circuit will be fine.

Feb 18, 2011 | GE Profile JTP56 Electric Double Oven

### I have a trailer house that has a 100 amp breaker box in it. I has gas for heat, water heater and stove. I am changing them to electric. Will I need to change the panel put to a 200 amp.

Its probably not a bad idea. Thats alot for a 100A panel to handle, a range needs a 50A, a water heater needs 30A, and the heat will need a 50A or a 60A breaker... Plus whatever else is in the house will be a bit more than the 100A service can handle. But if you don't have the money it will do for a while because for the most part they won't all be pulling at the same time. Word to the wise get at least a 30 space panel when you upgrade, I always install a 40 space panel because for the cost difference its well worth it for future needs because you'll fill it up quicker than you think and you'll have space for anything else you may want to add later on. Hope I helped

Dec 09, 2010 | Your One Source Homeline Circuit Breaker

### I live in a mobile home with a westinghouse DP 200 amp main breaker. it trips alot when i run the stove and the dryer along with other items.

You need to run a new circuit to the stove before your electrical wires catch on fire. that is a hazard you have taking a big chance if left alone. Your old wires and breaker is not heavy enough to run both so a complete rewiring job will be in order if not reaired very soon I would say from past experiences I've encountered

Jan 18, 2010 | Cutler Hammer "WESTINGHOUSE" MAIN DOUBLE...

### I have a whirlpool WED5300SQ0 dryer that is on a 30 amp circuit , it trips the breaker after about 15 min ,,,it has 10 gage wiring but it is an older house , the breakers look ancient..should i replace the...

If you don't have an AMP clamp to measure the amount of AC current draw. Then I would replace the breaker with a new 30amp. If the electrical panel is a sylvania or Zinco then that is most likely the problem! Those panels use the same breaker type and are terrible at having breakers going bad and tripping premature. If it is one of those type of breakers better dig deep in your wallet as those breakers run \$1.25 to \$1.50 per amp !

Nov 30, 2009 | Whirlpool WED5300S Electric Dryer

### 240v circuit wiring to run my new Dayton Heater (3Vu34A)

On the 40 amp breaker, you should be using 8-3 w/ground. 10-3 w/ground will work on the 30 amp breaker. 12-3 w/ground is used for 20 amp circuits. Your new heater should have the electrical requirements listed in the user/installation information.

Jan 29, 2009 | Dayton 3VU34 Heater

### Burnt stove element

It is if its installed like the other one.Generally they are just shaped differently.If the wires are connected safely you should be ok.

Jul 30, 2008 | GE Profile Harmony DPGT750EC Electric...

### Cooktop WIring

To complying with changed Codes (effective in 2002 ) regarding stoves, ovens and dryers. You will need a 120/240 volt 4 wire 40 amp and 50 amp circuit. This
Decades ago it was permitted to use a 3 wire system (having two 120 volt hots (Black and Red) and 1 combination ground/neutral wire) (green and white) to serve stoves, cooktops, ovens and dryers.
The Code change now requires all stoves and dryers in NEW construction to have the 4 wire set-up (now having two 120 volt hots, 1 white neutral and one green or bare wire ground).
Existing wiring is grand-fathered under the Code change.....I advise you to change the feed wiring over to the the 4 wire set-up...
because - as with ALL Code changes in the past...it will eventually become mandatory for all stoves, ovens and dryers as the grand-father clause drops off. By complying now...
BUT the wiring will need to change to 8/3 with ground. (having 4 wires inside one outer jacket).This is the primary reason for the Code change....to provide a greater margin of safety to the user.
I can NOT recommend the 3 wire hook-up...the 4 wire provides a seperate ground and neutral -
which makes the chance of a user shock when touching the metal frame (from an internal fault in the oven) much less likely then the old 3 wire set-up....
which did NOT have the seperate ground and neutral.
Krazytech

Apr 05, 2008 | Whirlpool 30 in.GJC3055 Electric Cooktop

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