Does ground wire need to be connected?

No matter the method, it's important that the ground circuit provides an unbroken path to the earth. Ground wires must be firmly connected at all points. And if conduit or sheathing is used as a ground path, connections must be tight. If you're not sure if your outlets are grounded, a receptacle analyzer will tell you.
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What happens if you don't connect ground wire?

Don't ground to the electrical box. Connecting the ground wire to a metal electrical box will energize the box in the event of a short circuit. The box could overheat and start a fire, or someone could get a shock from touching it.
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What does a ground wire need to be attached to?

Ground wires are typically attached to a ground screw or screw terminal connection on either the light fixture, receptacle outlet, or electrical devices or components including the electrical junction box, or ground lead wire from light fixtures and other the electrical devices which provide a connection for the ground ...
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Can I leave ground wire exposed?

Grounding wires, especially those running through grounding rods on the exterior of your home, are exposed. The grounding wires are safe to touch unless there is an electrical surge that causes electricity to flow through the grounding wire.
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Can I ignore the ground wire?

As long as one of the two are grounded, there shouldn't be a problem. Code bodies and safety experts say to bond both the fixture and the box, because there's no way for them to be sure that a fixture will properly bond during installation.
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Why Do I Need a Ground Wire ?



Should ground wire be attached to metal box?

Even if the device does not complete the ground, Romex or NM wiring can always be used with metal electrical boxes by attaching the bare or green grounding wire to the box by a screw.
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What happens if grounding is not done properly?

Without a properly grounded electrical system, you are risking any appliances you have connected to your system being fried beyond repair. In the worst-case scenario, an overload of power can even cause a fire to start, risking not just extensive property and data loss but physical injury as well.
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Can I tape ground wire?

Assuming it is too short to unravel and use a copper crimp band to reconstruct a longer ground conductor, Wrapping a new ground and taping isn't a great idea. This suggestion is very old fashioned, but would work. Solder the new ground extension wire to the nub of existing wires.
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Can an exposed ground wire shock you?

Can I Get A Shock From Ground Wire? Yes, you can get a shock from a ground wire but only when in contact with something else. This allows the current to continue through as there's a connecting point between you and the ground wire.
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Can I attach ground wire to mounting screw?

You attach the ground wire from the supply cable to the metal box. Always. If the lamp has a metal frame, and the box is metal, it can ground itself through the mounting screws. Otherwise you'll need a 3-way pigtail between a pigtail off the box, the supply wire, and the lamp's ground.
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Do you have to pigtail ground wires?

Here in the US, pigtailing the ground conductors is necessary, of course, because of only one ground screw per box.
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Can I put two ground wires on one lug?

Pigtailing: for grounds yes, for neutrals no. 2 or 3 grounds under a single lug: Decided by UL based on their testing. The approved action will be stated on the panel labeling.
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Do 3 prong outlets need to be grounded?

However, most newer appliances require an outlet that has three prongs for it to be plugged in. This has led many homeowners to incorrectly install a three prong outlet without properly attaching a ground wire. This can lead to many problems including risk of shock and appliances suffering from power surges.
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Does ground wire have electricity?

A "grounding" wire on the other hand is a safety wire that has intentionally been connected to earth. The grounding wire does not carry electricity under normal circuit operations. It's purpose is to carry electrical current only under short circuit or other conditions that would be potentially dangerous.
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Can a ground wire start a fire?

The Home Grounding System

If a wire connection becomes loose, for example, or a rodent gnaws through a wire, the grounding system channels the stray current back to ground by this alternate pathway before it can cause a fire or shock.
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Can I leave unused wire in wall?

It's acceptable to leave wire in the walls. The only thing you need to do is leave the ends exposed in boxes and wire nut and tape the to legs together. That will indicate to an electrician what's going on, and if someone does try to tie into them in the future it will just pop the breaker.
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Can you use duct tape on a ground wire?

Hell no. In fact, don't use duct tape for ANYTHING. If you're trying to cap the exposed end of a wire, use a wire nut. If you're using a bare wire for some crazy reason and you want it coated, replace the wire with an insulated one or use heat-shrink tubing.
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Can I use electrical tape instead of wire caps?

Electrical tape is the simplest method of making electric wires safe. You also use tape on capped live electric wires as an extra precaution. Tapes can be used on loose live wires that do not fit the cap. You can simply use tape over the live wire to fit into the cap.
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Can electrical tape catch fire?

Can electrical tape catch fire? Although most reputable brands of electrical tape will have decent thermal properties (generally to cope with temperatures up to around 80 degrees Celsius), many varieties of insulation tape are indeed flammable if they're allowed to get hot enough.
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Do houses need to be grounded?

Grounding is one of the most important aspects of a home's electrical system. You might not think about it on a regular basis, but it keeps your appliances, electronics, and anything else in your home that requires electricity secure.
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Why do you need a ground wire?

The ground wire offers an additional path for the electrical circuit to flow into the earth so as to not endanger anyone working with the electricity nearby in the event of a short circuit. Without ground wire, your body could instead complete the ground path and may cause shock or electrocution.
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Can any wire be used as a ground wire?

type - yes, but it is best to use an oxygen free, multi strand wire thats meant to be used in car audio to keep interference out and corrosion down. also, it is a lot easier to deal with since its a lot more flexable then solid wire.
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What happens if metal box is not grounded?

Surges in the electricity a box that is not grounded allows the electricity to go where it wants to. This is not a good thing and can cause electrocution or fire.
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Is a grounding screw necessary?

It is not required to ground the mounting plate. That green screw is only there for convenience of grounding a metal fixture with no separate ground wire. With the two wires you described connected together you are good.
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