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=== === Tie the bare ground onto the ground screw in the back of the box then tie green wire from outlet to bare ground with a "wire nut", also known as a "marrette", or with an equivalent kind of secure electrical connector.

=== === <><><> If you must go with a 3 prong outlet, ground the box. I would recommend a 4 prong outlet as it meets modern code and is safer.


As always, if you are in doubt about what to do, the best advice anyone should give you is to call a licensed electrician to advise what work is needed.

Before you do any work yourself,

on electrical circuits, equipment or appliances,

always use a test meter to ensure the circuit is, in fact, de-energized.




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โˆ™ 2009-08-16 18:52:08
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Q: When wiring a box for a three-prong 6-30 240V plug where does the bare ground go?
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Related Questions

How can you install a 240V receptacle from the bare wires for an electric range?

Bare wires!?!?!?! For 240V you need 3 wires plus ground. Red and Black are hot, white is neutral. Don't mess with 240V if you have no idea what you're doing. It's not safe at all.

When wiring a range the outlet has a neutral ground and 2 hots you have three wires do you put the bare wire in the neutral or ground on the outlet?

the bare copper is always a ground

How do you hook up a 3 wire water herter to 4 wire circut?

4 wire household wiring is black, red, (hot wires) white (neutral) and bare or green (ground wire). You say 3 wires. Is it 120v or 240v. If its 240v which is more common just use the two hots and the ground and cap off the neutral wire.

Is there any other wires colors used for grounded other than gray and white?

In industrial wiring 'three phase' green or bare copper is the norm for a ground. In home wiring 220/110 single phase, bare copper is the ground

What color is the ground conductor?

Depends on what you are wiring. Green is a common color used for ground. Sometimes it is just a bare copper wire.

How do you change a 4-wire 240V plug for a dryer to a 3-wire 240V plug for a welder and which wires do you use?

The existing 4 wires meaning Red, Black, White, Bare? Red and black are "hot" (using 120V from each phase of your service entrance), white is neutral, and bare is ground. Ground the bare or green wire to the electrical box then use red and black as your hot wires and white as neutral. You must ground the welder itself also with a jumper wire in order to be safe.

How do you ground a 240V outlet?

A 220V should be grounded like every other fixture, through a green or bare wire to the neutral bus in the main panel.

In standard 120 volt wiring what are the colors?

Black is hot, white is neutral and bare wire is ground. Neutral and ground are bonded together at the main panel.

What color is a ground wire in an electrical distribution?

The main electrical ground wire is sized to the service and is non insulted bare copper. Branch circuit grounds are green in conduit installations and bare copper again in house wiring cables.

Which wire in a 240V cable with black white and bare copper wires connects to which prong in a 3-prong 30-amp 120-240V dryer outlet?

Do not use this type of cable to feed a 120/240V dryer outlet. The outlet is ungrounded, and the third conductor is neutral not ground. Your ground wire must be sheathed by code. You cannot use the bare neutral conductor as ground. Diagram Did Not Come Through. You Have a 3 Prong Connector. The Prong On The Bottom By Its Self Connect The Bare Wire. That Is What Was # 3 Connect The Others To The Two Prongs Next To Each Other. Hope This Makes Some Sense (1) (2) (3) Connect White To (1), Connect Black To (2) Bare (3) Good Luck

What are three wires that make up an electrical circuit?

In house wiring you have hot (Black), neutral (White) and ground (Bare wire).

How do you wire a 240V stove plug if old stove was hard wire?

You can either hard wire the new one or install an outlet for the plug. It the wiring was done correctly on the old one, you should have a Black, Red and either white or a bare wire. Red and Black are power and white or bare is ground. Ask for a Range Outlet, they are different than a Dryer Outlet. Turn the power of first of course.

What are present house wiring colours?

Typical house wiring in the United States is: Green or bare copper = ground White = neutral (Center tap of the feed transformer) Black or red = hot.

What is insulated neutral?

It just means that the bare wire is insulated by a non-conducting coating. In home wiring the typical circuit has a black wire (Hot), a white wire (Neutral) and a bare wire which is ground.

Is it normal to measure 70volts from black to bare ground and 40volts from white to bare ground at an outlet?

No, the white should be approximately zero and the black approximately 110-120, assuming the "bare ground" refers to a bare conductor attached to electrical ground.

What is the Household wiring color code?

On a 110 volt circuit, Black is hot, White is neutral, Green or bare Copper is ground. . Connect Black to the gold screw, White to the silver screw, and bare copper ground to the Green ground screw on the receptacle. On a 220 Volt circuit Black &amp; Red are both hot, each carrying 110 volts for a total of 220. White is Neutral and ground is Green or bare copper.

What color is ground wire in a home?

Depends slightly on the country and age of the wiring. Green or Green and Yellow striped are normal for modern wiring in most countries (USA, Canada, Europe). Old installations might have un-insulated bare copper for the earth/ground.

Why do we need dedicated earth wire for socket outlet?

Yes, all receptacles require an earth ground. (the bare copper wire in house wiring). However, it is not a dedicated ground in that all ground wires in a houses electrical system are connected or in common.

What are the colors for circuits in a 120 volt panel?

Your service entrance cable could be Black, Red, White and bare cable. In a 240 V panel there would be 240V between Black and Red and 120 V between Black and White and Red and White. In the branch circuits the colors are Black, White and Bare wire. Black is Hot, White is Neutral and bare wire is earth ground and should be terminated on the ground bus in the main panel.

Why is copper wiring coated with insulation?

Because if the wire is "hot", that is, has electricity flowing through it, and you touch a bare wire, then YOU become the "ground" and complete the circuit. This will cause at the least a bad shock, and at the worst it will cause death. The "ground" wires are bare, but that is because they do not have electricity flowing through them unless something shorts out (ie a "hot" wire which is normally black or red in color touches a ground or neutral wire which is normally white. The "ground" wires are either bare or have a green coating.

Can 240V ground be used as a neutral?

No. Your ground and neutral must be seperate. If you are working on old work you can install an ungrounded outlet, but that can be dangerous if something goes wrong. It is not legal on new work. Also you can't use a bare ground wire as neutral as it has no insulation. The bare wire must be ground. Your best bet is to run new wire. Yes its more work, but it is the safest route. Please, please, please don't bond ground to neutral at your outlet. Do it right or hire a professional, negligence is fatal with electricity.

What are grey and white wiring?

It depends on context. In general it's not safe to assume anything about wiring based on color, though the convention for alternating current is that neutral is white, ground is green (or bare copper), and "hot" is any other color.

Why do you keep popping fuses in your 1998 ford explorer?

You have a short of some sort. Depending on what fuse for what item, check the wiring for bare wires, bad ground, or a defective part.

What does the white wire do when there is no neutral?

In standard residential wiring there is a black (hot), white (neutral) and bare wire (ground). There must be a neutral, so not sure what you mean. The neutral and ground are bonded to each other at the main electric panel.

What color is the live wire in 110 volt which color is neutral which color is ground?

Canada and US - The colour of live wires in home wiring are red and black. The neutral is white. Ground is bare when in a cable set like loomex. Ground is green when associated with fixtures and appliances.