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Suspect that a 15amp heater tripped the 15amp breaker. this happened a couple of times. now when the 15amp breaker trips a 20amp breaker also trips. the heater is now unplugged and the 20amp can be reset or the 15amp, but not both at the same time. currently with the 15amp breaker off I can not find anything in the house that does not work.

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You Know for a 15AMP unit it really should be on it's OWN sub-main, Ordinary House sockets are usually only 10AMP rated. This WILL overload any normal household wiring. You also need to get this unit checked out. to see if you have any "Earth leakage". Also at 115volts and 15Amps that equal a 7.66 OHM load....Be careful.

Posted on Feb 03, 2010

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One of the breakers assigned to our Hot wtr htr has been tripping recently leading to loss of hot water. This has happened twice in the last month. After resetting the breaker things have worked fine,...


Breaker could be bad.
Let's do a quick check and save you money.
Open top cover on water heater and push in red reset button that might be tripped.
If reset is tripped, water heater should turn ON.
If reset will not reset, then replace upper thermostat:
http://waterheatertimer.org/How-to-replace-thermostat-on-electric-water-heater.html
If reset is not tripped out, then it is OK, so test two top wires on upper thermostat.
Use cheap multimeter from home center, and set dial to 240-250-277 VAC.
Test across top two screws on upper thermostat to see if you have 240Volts.
To do full troubleshoot on ordinary tank electric water heater takes 30 minutes and multimeter
http://waterheatertimer.org/How-to-troubleshoot-electric-problems-with-water-heater.html

If water heater is not receiving 240V, then the breaker is suspect, or a wire between breaker and water heater is loose.
See basic water heater circuit
http://waterheatertimer.org/240-v-water-heater-circuit.html

Now let's look at circuit breaker:
Mark suspect 240V breaker.
Identify all your breakers, and also mark another 240 Volt breaker that is same amperage as water heater 240V breaker.
Turn off main breaker.
Take front panel off breaker box.
The wires and lugs on main breaker are HOT, so stay away from that area.
http://waterheatertimer.org/See-inside-main-breaker-box.html
Suspect breaker has 2 wires coming from breaker.
See if one or both wires are loose, and then tighten.

If wires are tight, then move these wires to the other 240V breaker that is rated for same amps as water heater.
Now turn on main breaker.
Put ear against water heater tank to hear bubbly fizzing sound.
This will identify if circuit breaker is bad, or if water heater needs a full troubleshoot.
It is not a good idea to run two 240V appliances on same 240V circuit breaker, so you may have to decide one or the other appliance until you can replace breaker.
Instructions to replace circuit breaker:
http://waterheatertimer.org/How-to-replace-circuit-breaker.html

Add a comment for more free help.
Also take advantage of fixya phone service.
For a price, fixya expert speaks with you over phone while you work on water heater circuit.

Jan 07, 2011 | Water Heaters

1 Answer

When using the oven portion of the microwave oven it continues to trip the circuit the microwave is alone on a 20amp circuit .When I microwave it doesn't trip at all.Is it possible to move up to a 30 or 50...


If the breaker is an earth leakage type, it is possibly an earth leak problem which could be caused by insulation breakdown on the heater inside the microwave.
I would consult an aporved electrician for advice.

Jan 04, 2011 | Microwave Ovens

1 Answer

Why does my 15amp arc fault breaker trip when no one is in the house and when i reset it it won't trip right away but it trips roughly and hour later or longer


There must be something tripping the breaker whilst you are not in the house.

I would guess it is something like an electric water heater which cuts in from time to time. It is probably faulty and tripping the breaker - it may still heat the water so the fault is not obvious. Other things are air con units, fridges, pumps, anything that might come on whilst you are away.

Dec 22, 2010 | Hammering

1 Answer

The garbage disposal & overhead sink fixture run to the same Square D Qob120 1pole 15amp 120v Circuit Breaker . After a week of consistentlu tripping, the breaker won't allow itself to reset. ...


I would start by replacing the breaker. If a new one trips then check ground and wiring. If it still trips then there must be a problem with the garbage disposal. let us know

Sep 21, 2010 | Square D Qob120 1pole 20amp 120v Circuit...

3 Answers

?-Is it ok to swap wires within fuse box if they amps on the breakers are the same? See details below... Ok, so I have a Sylvania fuse box. Both my A/C unit and my Range run off of thin, dual 40amp...


Yes it is OK, Your gfi's are real sensitive, anything can trip them off, a florescent light will trip them off. Anything not grounded in the circuit will cause it to trip. Take care of that later or don't use it. The 40 amps, I would just forget about the stove for now, get the ac going, cook in the microwave. But swapping the breaker is no big deal. Hope this helps.

Jul 17, 2010 | Sylvania Circuit Breaker - Zinsco/ RC 40...

2 Answers

Increase 15amp to 20amp breaker?


Hello
Take a look at the model number plate,somewhere the amps should be listed.

Add up the total for both freezers.One may be 8 amps the other 10.

So a 20 amp will work.Do not be more then 10 % over the total.

Jun 06, 2010 | GE Freezers

1 Answer

20amp breaker tripped unexpectly tonight. tried resetting at panel but won't click all the way over and little red indicator also on the breaker


Hello, In order to reset circuit breakers that have tripped under load, you must first flip the breaker all the way OFF, before you can then turn the breaker back ON. This should reset the breaker to turn the power back on to the circuit supplied by this breaker.

The red indicator is just there to make it easier to find the tripped breaker. Typically, the red indicator flag is a special feature of Square D QD breakers and panels.

If the breaker immediately trips again and doesn't stay on, then the device it is providing power to, still has a fault and it needs to be looked at to determine what is causing the fault and the tripping of the breaker.

Be sure to turn the breaker OFF if you are going to check the device for potential problems.

I hope you find this Very Helpful and best regards!

Nov 13, 2009 | General Electric 20amp 2-pole GFI circuit...

1 Answer

Fridge keeps tripping the circuit breaker


Your fridge should draw no more than 5amp. Presuming your breaker is at least 15amp there's a problem. Move to a different circuit first. If the condition persists check the start relay on the compressor. I have a suspicion the circuit may have another item you are not aware of.

Mar 01, 2009 | Whirlpool GS6NBEXR Side by Side...

1 Answer

Trips breaker


If is a newer unit, it may have a type of power supply that uses a diode or diode bridge located pretty close to the input.
I suspect this is shorted.

This is not a job you should undertake since the part may be kind of tough to find if easy to replace.
If you want to keep the unit, look for a repair shop in your area; they might even have the part in stock.
I did . . .

Jun 10, 2008 | Kenmore 63663 Microwave Oven

2 Answers

Refrigerator tripping ground fault circuit


The thing you were "spinning" was the defrost timer, not a circuit breaker. The problem may be you have a shorted defrost heater; It is on a timer that runs it for 30 minutes every 8 hours of compressor use.

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