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A 15 amp circuit breaker should trip at 15 amps regardless of the load voltages or impedances. If you have 277 volts and 7 ohms, the current would be 39.5 amps and a 15 amp circuit breaker should trip.

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What is the standard to select circuit breaker?

Add up your amps to calculate your breaker size. Add up your loads (amps), divide by 0.8, and choose that size breaker. If that number does not correspond to a standard size breaker you go to the next higher standard size breaker.


Why not to overload a socket?

Yes! A socket is a part of a circuit. Usually there are a number of sockets and lights associated with a specific circuit. The wiring of the circuit and the circuit breaker are limited to a specific amperage. If you exceed the amperage, you can blow the breaker. If the wire is rated for 15 amps and the circuit breaker is rated for 20 amps, the wires can overheat and cause fires.


How do you work out the current in a circuit?

we can calculate the current in a commmon electrical circuit by this formulae i.e,I=V\R where i is the current flowing in the conductor, R is resistance , V is the voltage.. THE FORMULA IS CORRECT but the term conductor does not suffice an explanation since a conductor is low in resistance R= resistance not conduction.


Using ohm's law what is the formula to find the resistance in a circuit?

Resistance of the circuit = (voltage across the circuit) divided by (current through the circuit)


If volts increase amps will decrease?

Not necessarily. In a simple circuit V=IR, so if the resistance in a circuit remains constant, then voltage and current are directly proportional, so an increase in one will increase the other. If you were to change resistance and keep voltage constant, then the current would be inversely proportional to resistance, so as resistance went up, current would go down.

Related Questions

What is the continuous current draw on a 20 amp circuit breaker?

The continuous current draw on a 20 amp circuit breaker should not exceed 16 amps to allow for a safety margin. This helps prevent overheating and potential tripping of the circuit breaker. It is important to follow the manufacturer's guidelines and not overload the circuit.


What would happenif you put an 8 amp circuit-breaker in a power circuit?

If you put an 8 amp circuit-breaker in a power circuit that draws more than 8 amps, the circuit-breaker would trip or disconnect the circuit to prevent overheating and potential fire hazards. It is important to always use the correct amperage rating for circuit-breakers to ensure safe operation of electrical circuits.


What is the maximum current rating for the circuit breaker, rated at 150 amps?

The maximum current rating for the circuit breaker is 150 amps.


What is the maximum current rating for the circuit breaker that can handle a load of 40 amps?

The maximum current rating for the circuit breaker that can handle a load of 40 amps is 40 amps.


What is the maximum current capacity of the circuit breaker rated at 150 amp?

The maximum current capacity of a circuit breaker rated at 150 amps is 150 amps.


How to figure amps in an electrical circuit?

To figure out the amps in an electrical circuit, you can use Ohm's Law, which states that Amps Volts / Resistance. Measure the voltage across the circuit and the resistance of the components in the circuit, then divide the voltage by the resistance to calculate the amperage.


What is the maximum current rating for the circuit breaker required for a device that operates at 20 amps?

The maximum current rating for the circuit breaker needed for a device that operates at 20 amps is 25 amps.


If an electrician have a circuit that pulls a load of 10 amps what size breaker must that circuit be protected by?

For a circuit with a load of 10 amps, a breaker of 15 amps should be used for adequate protection. It is important to choose a breaker size that is slightly higher than the load to prevent frequent tripping and ensure safety.


What happens to amps when you increase the resistance of a circuit?

When you increase the resistance in a circuit, the current (amps) in the circuit will decrease. This is because Ohm's Law states that current is inversely proportional to resistance, so as resistance increases, current decreases.


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.


What is 6InA in circuit breaker?

61 nano-amps is 0.061 milliamps or 0.000061 amps


The Function Of A Twenty Amp Breaker?

It limits the current to the circuit at 20 Amps. If a load on the circuit draws more than 20 Amps the breaker will trip and interrupt the current to all devices on the circuit.