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You should add only with a proper load calculation. You should probably have a licensed electrician look at the situation first.

You can find a licensed electrical contractor at www.contraxtor.com to help with your electrical service upgrade

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15y ago

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Is it ok to exchange a 20 amp breaker with a 40 amp breaker?

No. The 20 amp breaker is probably protecting a #12 wire. Connecting a 40 amp breaker to the 20 amp #12 wire would seriously overload the #12 wire. This means that if the load increased to a full 40 amps the insulation on the smaller size wire would most likely melt off and the wire could short out.


Does square D make a circuit breaker with a 15 amp and 20 amp breaker in the same breaker?

No tandem breakers are of the same value.


Can you use a 20 amp circuit breaker for an electric dryer?

If you are referring to a cloths dryer, the answer depends on the requirements of the dryer. Most dryers require AWG#10 wire with a 30 amp fuse. If the wiring is AWG#12 then use a 20 amp breaker but never use it on AWG#10 which requires a 30 amp breaker. If you are referring to a hair dryer then yes a 20 amp breaker is fine.


How many amps doe it take to trip a 20 amp breaker?

20 amps on the circuit will trip it unless it is is broken. Then it may trip with a lower current or not at all... Any resistance added to the circuit from a bad or dirty connection will add to the total current causing it to trip sooner than expected.


Can you have an 18 amp appliance on a 20 amp circuit?

Yes, you can have an 18 amp appliance on a 20 amp circuit. It is important to leave some room for safety margin, and a 20 amp circuit should be able to handle the 18 amp load without any issues. Make sure the wiring and circuit breaker are correctly rated for the load.

Related Questions

What is the maximum amperage rating for a circuit breaker that can be safely used with the electrical equipment in this room, ensuring that it does not exceed the capacity of the breaker, such as a breaker 20 amp?

The maximum amperage rating for a circuit breaker that can be safely used with the electrical equipment in this room is 20 amps to ensure it does not exceed the capacity of the breaker.


You are putting in a 240 volt 4000 watt heater in a room what size breaker do you need?

20 amp


Can I replace a 15 amp breaker with a 20 amp breaker?

No, you should not replace a 15 amp breaker with a 20 amp breaker without consulting a licensed electrician. The breaker size should match the wire size to prevent overheating and potential fire hazards.


Can you attach a 20 amp breaker to a 30 amp line?

yes, you can attach. but if the current through the line i.e. through the breaker exceeds 20 amp the breaker will trip. As long as the line carries 20 amp or less there is no problem.


What is the maximum amperage rating for a double breaker 20 amp?

The maximum amperage rating for a double breaker 20 amp is 20 amps.


What is the maximum current rating for a 20 amp Siemens breaker?

The maximum current rating for a 20 amp Siemens breaker is 20 amps.


What is the maximum current rating for a 20 amp fuse breaker?

The maximum current rating for a 20 amp fuse breaker is 20 amps.


What is the maximum amperage capacity of a 20 amp breaker box?

The maximum amperage capacity of a 20 amp breaker box is 20 amps.


What is the maximum amperage capacity of a 20 amp mini breaker?

The maximum amperage capacity of a 20 amp mini breaker is 20 amps.


What is the maximum amperage capacity of the 20 amp Challenger breaker?

The maximum amperage capacity of a 20 amp Challenger breaker is 20 amps.


What is the maximum current rating for a 20 amp Murray breaker?

The maximum current rating for a 20 amp Murray breaker is 20 amps.


What is the maximum load capacity of a Challenger 20 amp breaker?

The maximum load capacity of a Challenger 20 amp breaker is 20 amps.