What happens if I cut a live wire?

The circuit breaker is likely to trip when cutting a live wire. The sudden short caused by cutting live wires can cause sparks which could cause a fire or damage other electrical components which themselves could cause fires.
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Can you cut a wire and it still work?

Most electrical jobs such as installing light switches or electrical outlets involve cutting electrical wires and stripping the insulation from their ends so they can be joined together. Never work on active electrical wiring without turning off the electrical power first!
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Is it safe to cut a wire with scissors?

Avoid using scissors to cut wire.

It is best to use a wire cutter or plier hand tool rather than using scissors or a blade. Even a sharp pair of scissors may not cut through wire without damaging the internal metal.
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Can you cut wire with pliers?

Do not use pliers as a hammer. Do not hammer on pliers or wire cutters to cut wires or bolts. Do not extend the length of handles to gain greater leverage. Use a larger pair of pliers for gripping or a bolt cutter for cutting.
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What can cut metal wire?

Hacksaws can be used to cut through wire. Though wire cutters (pliers with sharp side jaws) are very efficient in cutting through different types of wires, you can use other substitute tools to carry out the process in a quick and easy fashion.
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Electrical 101: How To Cut Live Wires (Residential)



Will a nicked wire cause a fire?

If the nick is deep enough, the wire will overheat at the nicked point. This overheating is not detected by the fuse or circuit breaker and the result is an electrical fire.
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Can I touch live wire with pliers?

Using the pliers swap each wire from the bad outlet to the new one, never touching either the outlets or the wires with bare fingers. If you don't have enough play in the wire's to do this, then take the old wires off one at a time & cover the tips with electrical tape.
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Can you touch a live wire with a screwdriver?

The insulation protects the user from the possibility of touching live parts of a circuit and the grounded walls of the box or other equipment. By having the shaft of the screwdriver protectively coated with a non-conductive material, it is safe to hold the screwdriver's shaft for balance.
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How do you know if a wire is live?

The safest way to check if a wire is live is to purchase a voltage tester. Of which there are many types to choose from. They will help you determine whether there is current flowing through a wire. These inexpensive devices are readily available to buy online and at your local hardware store.
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Can you touch a live neutral wire?

If you touch the neutral wire in a live circuit, whether it be a lamp, an appliance or something else, it is the same as touching the active wire. It is only "safe" to touch the neutral wire when there is no current flowing, just as it is "safe" to touch the earth wire (when one exists).
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How do you cover exposed electrical wires?

With that in mind, here's how you can cover exposed wires outside.
  1. Use a bungee cord to secure the wire. ...
  2. Use flexible piping to protect the wire. ...
  3. Use electric tape to cover exposed wires outside. ...
  4. Use PVC piping to protect the wire. ...
  5. Use a corner bead to prevent wires from being exposed.
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Why do birds not get electrocuted?

The copper in electrical wires is a great conductor. Birds are not good conductors. That's one reason they don't get shocked when they sit on electrical wires. The energy bypasses the birds and keeps flowing along the wire instead.
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Will I get a shock if I touch neutral?

Now, we know that neutral is always connected to the ground or earth. So when touching the neutral wire standing on the ground there is no voltage applied to our body, therefore no current flow through our body and we do not get the electric shock.
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Can you get shocked by just the hot wire?

Most shocks are when someone touches a live wire while grounded, but you don't have to be grounded to get shocked. If you touch hot and neutral you will get shocked, or if you touch the hot in two places you will get shocked. You only have to complete the circuit just don't become the fuse.
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How do most electrical fires start?

Electrical fires originate in electric wires, cables, circuit breakers, and within electrical components. Fires start in electrical panels from overloaded circuits or age of the panel. The panel and circuits become overloaded when the distribution of electricity is inadequate.
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How long does it take for an electrical fire to start?

Answer: Absolutely, an outlet that has blown a fuse can start a fire. If the problem was whatever was plugged into it, and that item is no longer there, there should be no problem, but if the problem was within the outlet itself it should be repaired immediately. The time to a fire could be from 2 minutes to 2 years.
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What happens if a nail hits a wire?

That nail has contact with electricity and anyone touching it that and is also grounded can die. It can also heat up the wire and cause a fire. Turn off the breaker for that circuit until it is fixed. Do not leave until it is fixed.
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Can you cut wire with tin snips?

Wire or nails

Some can be used with wire mesh or net, but they should not be used with a single wire, nails, or other cylindrical materials. Cutting rounded materials will probably damage the blade, which will mean that the cut made by the snips is no longer clean and smooth.
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Would I know if I drilled into a wire?

One way to tell if they have screwed into the wiring is to measure AC volts from screw to hot, screw to neutral screw to ground. A Wire that is somewhat free behind the dry wall might not always be centered and I have seen a wire get caught in a home that was built in 1997.
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