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This type of question usually means you aren't ready to do this yourself. Study some electrical material and the National Electrical Code and work this answer out for yourself, or call a professional electrician. If I were to give you an answer, you might attempt to do something you shouldn't be doing, and that may cost someone a shock, a home fire, or their life.

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Q: Which screw does the black wire go on 20 amp plug?
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How do you wire a light to a switch at the end of a run and which controls an outlet?

Bring power into the light switch box 12/2 or 14/2 wire depending on the existing wire. Make sure you use the exactly same size wire that is used on that circuit. If you do not know look at the breaker in the main panel that controls power to that circuit. 20 amp will be 12/2 wire and 15 amp will be 14/2 wire. Now run another wire from the switch box out to the outlet. Inside the switch box, strip both white wires back 3/4" and connect them together under a wire nut and push this back into the box. Connect the 2 ground wires together and then connect that to the ground screw on the switch. You now have 2 black wires left. Connect them to the 2 screws on the light switch. Does not matter which black wire you connect to which screw. At the outlet connect the ground wire to the green ground screw, black wire to copper screw, and white wire to silver screw. That outlet will now be controlled by the light switch.


How do you wire a double outlet to a lightswitch?

Bring power into the switch box with a 12/2 or 14/2 wire and send power from there to the wall outlet with another 12/2 or 14/2 wire depending on the circuit. 12/2 for 20 amp and 14/2 for 15 amp circuit. You will now have 2 sets of wires in the switch box. Connect all the whites together under a wire nut and push them back into the box. Connect all the ground wires together and attach them to the green ground screw on the switch. Connect the black wire from the power source to one of the screws on the switch, does not matter which one. Then connect the black wire going to the outlet to the other screw on the switch. Put the switch back in the box and install the cover. At the wall outlet connect the ground to green ground screw, white wire to silver screw, and black wire to gold screw on one of the outlets. Run 3jumper wires from all three of those screws to the other outlet in the box. Ground to ground, black to gold, and white to silver screws. Put it in the box and install the cover.How_do_you_wire_a_outlet_to_work_from_a_light_switch


How do you install a 20 amp switch for well pump?

Black/White/Ground power in and the same out. Tie the incoming and outgoing white wires together under a yellow wire nut and push them back in the box. Tie the ground wires together under a green wire nut and connect the pigtail from those ground wires to the ground screw on the switch. Connect the 2 black wires you have left to the 2 screws on the switch. Doesn't matter which black wire you connect to which screw.


How do you wire 30 amp RV plug into 70 amp square d breaker box?

I mean no disrespect, but if you have to ask this question, then you should probably be calling an electrician who will be able to safely do this.


Can you use 40 amp breaker for your lights and plug ins?

If you are referring to house wiring then the answer is no. A breaker protects the wire size that is connected to the breaker. In home wiring most homes are wired with a #14 wire which is rated at 15 amps. That is why the wire is protected by a 15 amp breaker. The correct wire size to connect to a 40 amp breaker is a #8. This size wire is too large to connect to receptacles an light fixture terminals.

Related questions

Can you put a 15 amp cord end on a 12 amp appliance?

Yes, Silver screw to the white wire or wire with the rib. Brass screw to the black wire or wire that has no rib. Green wire to green screw.


What wire goes where on a L5-30 3 pronged plug?

This is a 30 amp 125 volt device. The black wire goes on the smallest pin, should be a brass coloured screw, the white on the next in size, should be a silver coloured screw and the ground wire on the pin with the inward hook on it, green coloured screw.


How do you wire a common 3 pin plug?

In North America the connections for a 15 amp cap (plug) goes as follows. Looking at the plug from the blade side directly on you should see a larger blade (silver) on the right, smaller (brass) blade on the left and a U shaped ground blade on the bottom. The white wire connects under the right (silver) coloured screw, the black wire connects under the left (brass) coloured screw and the green wire under the green ground screw.


What is the color of internal amp remote wire in a 2003 dodge ram 1500?

It is pin G on the black plug to the radio, and it is the White wire.


What are the wire colors for a single phase 30 amp 220 plug?

The hot wires are red and black. White is the neutral, and there should be a bare or greencolored wire for grounding.


What's the best way to install a subwoofer box and amp in an Oldsmobile Alero?

If you have an after-market head unit, it will be easier. You need RCA audio cables, speaker wire and some pretty thick wire for you power connection. First, you should take out the stereo and plug in your RCA cables (red to red and white to white)and then plug those into your amp as well. Then you need to find the wire marked Acc. on the wires in the back of your stereo. connect a pretty long wire to this wire. This will be plugged into your remote on your amp. The next thing you need to do is plug your thick cable into your positive side of your car battery and plug the other side into your power on your amp. The last thing you need to do for your amp is put a wire from the ground on your amp to a screw in your car that is unpainted and connected to the chassis. If everything else is hooked up correctly, you might need to play with the ground wire as this is usually the problem area. Then plug speakers into the appropriate places on the amp and box (Pos. to pos. and neg. to neg.) Make sure the amp turns off when your car does or you could drain your battery.


How do you hook up subwoofers in a car?

you need an amplifier first. decide where you want the amp, and wire it to that point. (amp comes with instructions for the wiring) once the amp is wired in, wire it to the radio(instructions come with amp) and screw it in. then locate where you want the sub(s) and wire it to that from the amp. almost all your instructions for installing subwoofers comes with the amp.


What kind of plug do you need for a 220 30 amp service?

You can do a 30 amp twist lock receptacle 220v 3 wire (nema L6-30R) or a strait blade 30 amp 220v 3 wire receptacle (nema 6-30R) or a traditional 30 amp dryer plug. The nema # is a universal # that everyone uses to identify that plug. Ask for it. The most important part is the 30 amp male that your trying to plug in. Match it up with what you putting in the wall. Use #10 gauge wire for 30 amps


How do you wire a light to a switch at the end of a run and which controls an outlet?

Bring power into the light switch box 12/2 or 14/2 wire depending on the existing wire. Make sure you use the exactly same size wire that is used on that circuit. If you do not know look at the breaker in the main panel that controls power to that circuit. 20 amp will be 12/2 wire and 15 amp will be 14/2 wire. Now run another wire from the switch box out to the outlet. Inside the switch box, strip both white wires back 3/4" and connect them together under a wire nut and push this back into the box. Connect the 2 ground wires together and then connect that to the ground screw on the switch. You now have 2 black wires left. Connect them to the 2 screws on the light switch. Does not matter which black wire you connect to which screw. At the outlet connect the ground wire to the green ground screw, black wire to copper screw, and white wire to silver screw. That outlet will now be controlled by the light switch.


How do you wire a dual voice coil to an amp?

If you want to run both coils,you have to wire the positive to positive and negative to negative on your sub,then run a wire from each plug to the amp. Positive to the positive side of the amp and negative to negative side of the amp,(you can run in bridge mode or stereo if your amp can handle the load)


Where do you ground amp wire in mercury sable?

you can ground it right to the frame. just find a bare spot and put a screw with the ground wire


How do you install a 120 volt 30 amp outlet. This is for a commercial cotton candy machine?

You find a space in your electric panel that will hold a 30 A breaker. You run 10 gauge wire from the electric panel to where you mount the outlet. You buy a 30 A rated outlet with a receptacle that matches the cotton candy machine. Black wire goes to the brass colored screw on the outlet, white wire to silver screw and ground wire to green screw.