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Most of the breakers in a panel will be 120 VAC. Double height breakers are 240 VAC. A triple height breaker probably indicates you have 3-phase power in the panel.

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Q: What does a circuit breaker look like for 110 volt?
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What circuit breaker to install for 10 amp 250 volt circuit?

You need a breaker rated for 10 amps and 250 volts. The breaker must also fit properly in your panel.


What is the requirement for energizing a 120 volt circuit breaker?

Before energizing a breaker for a circuit, the circuit has to be clear of any short circuits or grounds. This can be accomplished by the use of a megger on the correct voltage setting.


Can one leg of a 240 volt circuit be capped and the circuit breaker changed to make an existing 240 volt outlet into a 120 volt outlet?

Yes, you can always have heavier wire than code requires.


How does a 20 amp double pole work?

Two pole what? Switch, breaker? 2 pole does just that. Either switches two separate sources like different legs of a 220 volt circuit or switches both the hot and neutral in a 120 volt circuit or plus and minus in a 12 volt circuit or a two pole breaker takes 2 separate 120v legs in a home breaker panel. Each leg of 120 volt breaker panel is 120 volts to ground and 240 volts between them. The electricity entering your house looks like a sine wave with each leg being 180 degrees out of phase from the other. The double pole breaker takes each separate leg to the device it is powering and provides 240 volts.


Why will too many electrical devices operating at one time after blow a fuse or trip a circuit breaker?

The load exceeds the limit of the breaker or fuse. For example a 20 amp breaker on a 120 volt circuit will handle 2400 watts. Exceed that wattage and the breaker will trip or the fuse will blow.

Related questions

How volts comes from a 20amps breaker?

On most residential circuit breaker boxes in North America, each individual breaker represents one 120-volt circuit. Two breakers ganged together represent a 240-volt circuit.


What circuit breaker to install for 10 amp 250 volt circuit?

You need a breaker rated for 10 amps and 250 volts. The breaker must also fit properly in your panel.


What is the requirement for energizing a 120 volt circuit breaker?

Before energizing a breaker for a circuit, the circuit has to be clear of any short circuits or grounds. This can be accomplished by the use of a megger on the correct voltage setting.


How many amp circuit breaker for 3 hp 230 volt motor?

16A


Can one leg of a 240 volt circuit be capped and the circuit breaker changed to make an existing 240 volt outlet into a 120 volt outlet?

Yes, you can always have heavier wire than code requires.


What type of circuit has double 20amp breaker going to a separate box at that separate box there is a well pump with another 20amp breaker to that?

Sounds like a 240 volt sub panel feeding a well pump.


How does a 20 amp double pole work?

Two pole what? Switch, breaker? 2 pole does just that. Either switches two separate sources like different legs of a 220 volt circuit or switches both the hot and neutral in a 120 volt circuit or plus and minus in a 12 volt circuit or a two pole breaker takes 2 separate 120v legs in a home breaker panel. Each leg of 120 volt breaker panel is 120 volts to ground and 240 volts between them. The electricity entering your house looks like a sine wave with each leg being 180 degrees out of phase from the other. The double pole breaker takes each separate leg to the device it is powering and provides 240 volts.


Why will too many electrical devices operating at one time after blow a fuse or trip a circuit breaker?

The load exceeds the limit of the breaker or fuse. For example a 20 amp breaker on a 120 volt circuit will handle 2400 watts. Exceed that wattage and the breaker will trip or the fuse will blow.


How can I get 230 volt single pole wire from my house panel?

In North America you can not obtain 230 volts from just one single pole breaker. The distribution is like this, from a one pole breaker to neutral is 120 volts. From an adjacent breaker to neutral is 120 volts. From the adjacent breaker to adjacent breaker (breakers situated beside each other) the voltage will be 230 volts.If you want to incorporate a 120 to 230 volt transformer into the circuit you can obtain 230 volts. The primary side of the transformer will be connected to the 120 volt circuit and the secondary side of the transformer will output 230 volts. The transformer must be sized to the load amperage or the load wattage of the connected 230 volt load.


Does a double 50 amp breaker make a 100 amp?

No, a double pole 50 amp breaker protects a 240 volt supply at 50 amps. The number that is on the handle of the breaker is the amperage that the breaker will trip at if an overload occurs on the circuit.


What size circuit breaker for a 208 volt 3 -phase 8 ton air conditioner?

Look for directions on the air-conditioning device and you will see how many amperes it spends. I believe that is 10 A on average.


How do you connect a volt to a circuit?

A volt can not be connected to a circuit.