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If you don't allow the conductors to sag then, when they contract in cooler weather, they could (a) snap, (b) break their insulators, (c) pull poles over, or (d) pull intermediate poles out of the ground.

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If you don't ground equipment that requires it what will happen?

It depends on the equipment. The problems can be anything from a risk of electrical shock to semiconductor failure.


What happens if you touch an exposed electrical wire?

If the wire is carrying an electrical current, and if the current has enough voltage, the current can leave the wire and pass through your body. This is painful, and can causes burns or death.


Can you do your own electrical work?

You can, but it's not advisable to do it, unless you happen to be a certified electrician. Always call in a professional, it'll save you the money of having the professional fix your mistake.


Can you use 2 runs of 12 gauge wire in for 40 amps circuit?

You might think this is a good idea, but it isn't. The code requires a single cable of the required current carrying capacity. What would happen if one of the cables was damaged and the hot wire severed. Then the other would be carrying 40 amps and you wouldn't know it until your house burned to the ground. <<>> No, the electrical code states that no conductors of similar conductivity in sizes smaller that #1/0 copper shall be permitted in parallel.


How could you find the purpose of a parallel circuit?

For an electrical load, such as a lamp, heater or motor, to operate at its rated power, it must be subject to its rated voltage which always corresponds to the supply voltage. For this to happen, individual loads must be connected in parallel with the supply and with each other. So all the electrical loads in your home, in your car, etc., are ALL connected in parallel.

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