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You use the correct size breaker depending on the size wire in the circuit. If the circuit is wired with AWG #12 wire use a 20 amp breaker. If it is wired with AWG #14 wire then use a 15 amp breaker.

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โˆ™ 2014-03-03 19:06:56
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Q: What size amp circuit breaker should be used for a home entertainment system?
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What may cause breaker instantaneously trip?

A short circuit on the system will cause a breaker instantaneously trip.


Tripped circuit breaker or blown fuse?

Both devices are safety measures for the electrical circuit. The home fuse is a glass affair with a burnable core. If the core melts, the circuit opens. The circuit breaker does the same thing, but is a "reset" device, meaning that it can be used over and over again. The fuse is replaceable, but not "reset-able." Both systems are used in modern homes, but the fuse system is being replaced by the circuit breaker system.


Will 12 volt circuit breakers work in series for a 24 volt system?

NO! The circuit breaker will not trip at the exact same instant and the one that trips will be interrupting the full 24V which is 2x it's rating. The second breaker will never trip.


What is an electrical breaker used for?

An electrical breaker or circuit breaker is used to protect appliances and electrical devices from damage caused by short circuits and electrical overloads. It basically detects a defect in the system and then interrupts the flow of current.


What is racking a circuit breaker?

Racking a ciruit breaker has no place in Home Electricity. It is a purely industrial or utility activity. It refers to the act of disconnecting an open (off) high voltage circuit breaker from both the electrical supply and the load by racking (winding, if you like) it out of an enclosure.Further AnswerRacking provides a method of isolating a high-voltage metal-clad circuit breaker (in the UK, typically 11 kV) from its supply and load circuits, and/or to provide earthing (grounding). Before racking, the circuit breaker must be opened, and this is usually ensured using an interlock system. Racking describes lowering a circuit breaker so that its bushings physically disconnect from fixed busbars/cables typically located above the circuit breaker. Once racked down, the circuit breaker can either be withdrawn to allow it to be maintained, or it can repositioned before being racked up to connect either the busbars or the cable to earth (ground).

Related questions

Why would circuit breaker fail?

circuit breaker do get fail if and only if the relay does not respond to the fault occurring in the system !!


What may cause breaker instantaneously trip?

A short circuit on the system will cause a breaker instantaneously trip.


What is one and half breaker system in electrical lines?

One and half breaker system is an improvement on the double breaker system to effect saving in the number of circuit breakers. For every 2 circuits, 1 spare breaker is provided: Two feeders are fed from two buses via their associated circuit breakers and these two feeders are coupled by a third circuit breaker which is called tie breaker. During failure of any of the two feeder breakers, the power is fed via the breaker of the second feeder and main breaker (tie breaker).


What is an analogous safety device in an electric circuit corresponding a shear pin in a mechanical system?

A fuse or circuit breaker


What is the difference between a run and a circuit?

run in a electrical system means a wiring & conduit runs coming from Panel Board Circuit Breaker to its branch circuit loads in a circuit. while circuit is a designated number of branch breaker in a panel board where power load was individual connected.


Tripped circuit breaker or blown fuse?

Both devices are safety measures for the electrical circuit. The home fuse is a glass affair with a burnable core. If the core melts, the circuit opens. The circuit breaker does the same thing, but is a "reset" device, meaning that it can be used over and over again. The fuse is replaceable, but not "reset-able." Both systems are used in modern homes, but the fuse system is being replaced by the circuit breaker system.


Function of a circuit breaker in substation?

A circuit breaker in a substation is a form of protection, designed to break fault current (the large volume of current that flows when a fault is detected on the system). It also has secondary function allowing the system operator to switch circuits in and out.


What is the difference between single pole mcb and double pole mcb?

A single pole circuit breaker can protect one hot wire to a given load where as a two pole circuit breaker can protect two hot wires to a given load. In the North American system this would equate to 120 volts on a single pole circuit breaker and 240 volts on a two pole circuit breaker.


What circuit breaker rating is commonly used for a radial circuit?

In the terms of voltage it should be in kV but when we are using the current term than it should be in kiloamperes or kA because the short circuit current level of the circuit breaker is very high.AnswerIt depends entirely on the voltage level and load currents you are talking about. It will be completely different for, say, a 132-kV system than for, say, a 230 V system. So, does your question apply to high-voltage systems or low-voltage systems?


Why do my 1995 Jeep Forester lights keep shutting off?

Short in system? Circuit breaker is resetting?


What is the different between circuit breaker and switch-disconnectors?

The circuit breaker preforms three functions where as a switch disconnect preforms one. A breaker will automatically disconnect the load if a short circuit fault occurs or if there is an overload condition on the conductor caused by the load. The third function is that a breaker can be used as a manually disconnect to isolate the load. Where as a switch's only function is to just isolate the load from the supply system.


Why tap in your house gives shock when it is touched or used?

Your water system is not grounded. Turn the main breaker in your distribution panel to off and ground the water system. If a "hot" wire has come into contact with the plumbing, when you turn the electrical panel main breaker back on a breaker will trip. This will give you the circuit that is at fault and a place to start looking for the short circuit.

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