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The branch circuit circuit breaker or fuse protects the wire and devices that make up the circuit. If you have a 15 A breaker the wire size must be at least 14 AWG. You could have a larger wire size like 12 AWG, but not a smaller size like 18 AWG. Note as the number decrease the wire size is larger in cross sectional area. All the receptacles and switches should be rated equal to or greater than the branch protection device.

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14y ago
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14y ago

There is no problem using over sized wires on a breaker. It is only when the wires are undersized that the trouble begins. Oversize wire on a breaker is very common practice when overcoming voltage drop on a circuit.

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Q: How is the rating of the branch-circuit protective device affected when conductors used are of a larger size than called for by the code?
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How is the rating of the branch circuit protective device affected when conductors used are of larger size than called for by the code?

There is no problem using over sized wires on a breaker. It is only when the wires are undersized that the trouble begins. Oversize wire on a breaker is very common practice when overcoming voltage drop on a circuit.


The waxy protective covering of a land plant is called a what?

The waxy protective covering of a land plant is called a cuticle.


What is the box used for connecting conductors in a wiring installation called?

Usually called a "junction box."


What are the materials that can let electricity pass through?

Generically they are called conductors.


What are materials with few free electrons called?

such substances are conductors of electricity.

Related questions

How is the rating of the branch-circuit protective device affected when the conductors used are of larger size than called for by the code?

There is no problem using over sized wires on a breaker. It is only when the wires are undersized that the trouble begins. Oversize wire on a breaker is very common practice when overcoming voltage drop on a circuit.


How is the rating of the branch circuit protective device affected when conductors used are of larger size than called for by the code?

There is no problem using over sized wires on a breaker. It is only when the wires are undersized that the trouble begins. Oversize wire on a breaker is very common practice when overcoming voltage drop on a circuit.


What are good conductors called?

They're called conductors. As opposed to insulators, which don't conduct. Metals are typically pretty good conductors.


What is transposition of a transmission line?

The balancing effect on account of irregular spacing of conductors can be avoided by changing the position of the conductors at regular distances. this is called transposition of conductors. In case of 3- phase transmission lines, the inductance and capacitance of each phase will be different if the three conductors are spaced differently (each phase to the other two phases, and each phase to ground). the apparent resistance of the conductors is also affected on account of transfer of power between the phases which occur due to mutual coupling. so all the three parameters of the transmission lines are affected by irregular spacing of the conductors.


What is distinguished conductors called?

what is a distinguished conductor called


What are things called if they are not magnetic?

conductors


What IS A CONductors rod called?

A baton.


What is poor conductors called?

insulators


Where does electric current pass?

Electric current passes through substances called "conductors", as well as "semiconductors". Conductors include all metals, and any liquid with ions in it.Electric current passes through substances called "conductors", as well as "semiconductors". Conductors include all metals, and any liquid with ions in it.Electric current passes through substances called "conductors", as well as "semiconductors". Conductors include all metals, and any liquid with ions in it.Electric current passes through substances called "conductors", as well as "semiconductors". Conductors include all metals, and any liquid with ions in it.


What are these people called that organize underground railroads?

They are called conductors.


What are good conductors of electricity called?

fat


What are matereials called in which electricity flows?

conductors