Question about Electric Circuit Breaker Kit for Furnace

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Electric furnace wire heating up

The power wire is heating up
220 furnace
60 amp breaker on furnace and at box
10/2 wire

can i use 30 amp breakers
how can i fix this

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You should have a 3- conductor # 6-3 copper wire running to this 60 amp breaker @ the furnace to the panel if this is not the case you should replace this with a # 6 as of now as it is a fire hazard as it is and needs to be fixed at once , # 10 -2 wire is only good for 30 amps and a 60 amp breaker will not trip under fault condition and you could have a fire , if you need further assistance on this let me know and i will try to help

Posted on Jan 10, 2009

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I HAVE A 2 1/2 TON PACKAGE HEAT PUMP . THE60 AMP BREAKER AT THE DISCONNECT BOX KEPT TRIPPING . I DISCONNECTED THE HEAT STRIPS AND NOW THE 60 AMP BREAKER ISNT TRIPPING . WHAT IS CAUSING MY BREAKER TO T


You need to check the current rating of your heat strips. If it is more than 60 amps then you need a bigger breaker. If 60 amps or less then your heat strips are going bad. Also make sure your fan turns smoothly without any wobble.

Jan 06, 2014 | Circuit Breakers & Wiring Panels

1 Answer

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...

2 Answers

Breaker trips after bout 5 minutes


Breakers trip because of heat.
When heat from wire exceeds breaker rating, it trips.
Something is causing heat on the wire, wire is too small for the amp draw, there is short circuit, or breaker is bad.
Replace breaker and/or test wire.

Put amp-meter on wire and read amp draw through wire.
Amps cause heat. That's why high voltage lines from power station are high-volt-low-amp so there is no heat loss with long distance transmission, until transformer at home converts electricity to lower volts and high working amps with enough power to run electrical devices.
Same is true for AC and DC circuits.
If amp reading on wire exceeds rating on breaker for length of time, then breaker will trip.
The fact that the breaker lets current (amps) to flow for a period of time before tripping is because the breaker is probably rated for slow-acting, or it takes a while for amp draw to heat the wire.

Following image shows amp-meter that clips over wire to get amp reading.
http://waterheatertimer.org/pdf/Which-is-best-gas-water-heater.pdf

Oct 31, 2012 | Circuit Breakers & Wiring Panels

1 Answer

Does adding more electrical outlets require to increase breaker amps/condiut?


Yes maybe, depending on what you are doing.

1) Electric Code generally says Maximum 12 boxes per electric circuit controlled by 1 circuit breaker. If you have more boxes, then your house can fail inspection IF inspector finds problem. But it is a minor problem if wire size, breaker size, and amp loads are safely matched.
http://waterheatertimer.org/How-to-wire-switches.html#add

2) Reason for the code: so there is not power loss to last box when many things are drawing power from same circuit, which can cause overheating of circuit and trip breaker, and cause heat damage to some electronic devices and motors.

Which is why you are asking the question.

3) In practical terms, if you are adding outlets to run another light bulb, then you will probably not notice any problem.
However if you are adding plugs so you can run shop tools, or blower motor, or compressor etc, then that can be a problem.

For example if wire is too long, there will be power loss to motor which will cause motor overheating and shorten life of equipment.

4) Solution.
Calculate total amps and watts expected on that circuit.
Add up watts of everything running at same time.
Volts x amps = watts
120 volt microwave uses 1500 watts, how many amps?
Amps = watts divided by volts, so 1500 watts divided by 120 volts = 12.5 amps.
Compare your total expected amp usage to charts on following link.
Make sure you have correct wire and circuit breaker for expected amps. Oversizing wire and breaker are good idea.
http://waterheatertimer.org/Color-codewire.html

Oct 27, 2012 | Circuit Breakers & Wiring Panels

1 Answer

I have a intertherm mobile home furnace. When i turn on the heat the circuit breaker in the funace heats up and blows the breaker. this only happens when i turn on the heat if i turn on the fan it is...


you said it yourself. when an electrical device is running it produces amps, with every amp is a unit of heat. breakers are heat sensitive as well. so you might want to consider a new breaker. newer breakers are made out of better materials that are able to displace heat more efficiently. or check to make sure the screws on the terminals where the wires go in are tight. if there is a loose connection that will increase the units of heat traveling through the termination. or, worse case scenario, like when all hope is lost. splice in some more wire, correctly, emphasis on correctly, and relocate the breaker. perhaps use insulation around the breaker, non flammable of course.

Nov 11, 2010 | Electric Circuit Breakers & Wiring Panels

1 Answer

Why does my 100 amp main get so hot the black wire is starting to melt, should'nt the breaker trip if there is that much draw?


You need an electrician before there is a fire.
If the breaker is not tripping, then the breaker is bad.

Act now before the heat damages the box and you need full replacement.
Absolutely put the metal cover back over the breaker box and keep the door closed.
Move all flammables away fro breaker box area.
Put a smoke detector right there.
Put a fire extinguisher nearby.
You don't put water on an electrical fire.

Before the electrician gets there, turn off as many electrical devices as you can.
Don't run all at one time.
Run just when needed.
Electric water heater.
Space heaters.
Vent fans.
Electric Stove.
Electric Oven.
Microwave.
Heat AC.
Electric Dryer.
Washing machine.
Power tools.
Big screen TV.
The outdoor lights, and swimming pool pump.
Turn off as many indoor lights as possible.

Now the freezers and refrigerator have to stay on.
Clean out the grilles so they run more efficiently.

Reducing your power consumption will be good practice.
When you call the electrician, tell him the brand and amperage of your main breaker.

If the whole box needs replacement, you might want to upgrade the service to 150Amp.
Some areas, it's code that old panels have to be upgraded to more amperage ... but the electrician will know the details. Call local electric supply house to double-check what the electrician tells you.

Nov 08, 2010 | General Electric 100Amp 3-pole circuit...

1 Answer

I have an Electric Furnace rated at 45 Amps/240v. Would a 45 amp breaker suffice for this unit?


Most likely not.Heating equipment circuit breakers have to be calculated at 100% of the load continuous. That would mean the circuit breaker would have to be rated at 45amps continuous. Most breakers are not. Most breakers are rated at 80% of their rating for continuous loads. So if you installed a 60 amp circuit, 80% of 60 = 48 amps. This would fit your requirement. That would be a 60amp breaker, with #6 cu conductors.

Oct 31, 2010 | Sylvania Circuit Breaker

1 Answer

Have Challenger Type C 2100 circuit breaker in residential home electrical panel. Manually turned to off position and now cannot turn back on. Pops back to off position. Also says HACR type and common trip...


First HACR is heating, air conditioning,refrigeration. So in other words you could use it on an electric furnace or air conditioning.
IS this the main breaker for the panel? or for and electric furnace. I'm assuming its for the furnace, perhaps back up heat for heat pump. See if there is another disconenct on the furnace, turn it off and see if the breaker resets. IF so you have a short or overload in the furnace.
If' it IS the main for the panel, turn off all the other breakers in the panel, and try to reset the breaker. If that works, turn the other breakers back on one at a time. IF it "POPS" then it is tripping. Don't keep resetting, find the problem.

Jul 19, 2010 | Challenger Connecticut Electric UBITB-A230...

1 Answer

30 amp breaker trips intermittently


It sounds like this circuit breaker is worn out and needs to be replaced. good luck

Jan 19, 2009 | Siemens 2 pole 30 amp breaker

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