# What needs a double pole breaker?

### What needs a double pole breaker?

Double-pole breakers have two hot wires that are connected by a single neutral wire. That means if there’s a short circuit on either of the poles’ hot wires, both trip. These breakers can be used to serve two separate 120-volt circuits or they can serve a single 240-volt circuit, such as your central AC’s circuit.Mar 1, 2017

### What is a 30 amp breaker used for in a house?

The 15-amp and 20-amp breakers are used for baseboard heating, the 30-amp breakers are used for water heating, the 40- and 50-amp breakers are used for electric ranges, and the 70-amp breakers are used for air conditioning.

### What is a 30 amp double pole?

A room air conditioner is an example of an appliance that would require a 30-amp breaker. Breakers that control 240-volt circuits are known as double-pole breakers. Each one is actually composed of two separate breakers permanently joined together.

### Is a 30 amp double pole breaker 30 amps on each leg?

Question: Isn’t a 30 amp double pole breaker is same as two 30 amp single pole breakers stuck together, so I can put 30 amps on each leg? Answer: Yes, because the breaker draws 30 amps from each leg … 1 leg per each busbar.

### Does a 30 amp double pole breaker have 30 amps on each leg?

A 30 amp double pole or two pole breaker gives you a total of 30 amps on each leg before it is supposed to trip.

### Does a double 30 amp breaker equal 60 amps?

A main breaker is the same as any double breaker in the box, except that it supplies power to each busbar. The answer is no if you want to draw 60 Amps off a 30 Amp double breaker.

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### Is a double pole breaker twice the amps?

240 volts x 30 amps = 7200 watts of power. Since each leg of 240 volt circuit offers 120 volt potential to ground, then you’re getting two legs of out-of-phase 120 volt when you use double breaker, and doing so doubles the voltage and doubles the watts (power), it does not halve the amps.

20 to 60 amps

7,200 watts

### What are 30 amp double pole breakers used for?

Double-pole breaker Uses the entire 240 volts available to the panel. The 15-amp and 20-amp breakers often handle baseboard heaters, 30-amp serve water heaters and electric dryers, 40- and 50-amp are for electric ranges, and the 70-amp could serve a large air conditioner or a subpanel.Apr 16, 2010

### Are double breakers legal?

Tandem breakers are safe and legal to use only when the panel is designed for them and only in the slots that accept tandem breakers. … In other words, just because there is space for more breakers doesn’t mean the panel can safely handle the extra load of new breakers.Jul 11, 2018

### Can you use a double pole breaker for a single pole circuit?

There are two different types of switches: the single pole and the double pole switch. … A double pole switch can be used to control light and a fan or 2 lights on separate circuits. It is easy to wire a double pole switch to work as a single pole switch because only one side is used instead of both.

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