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Which Cooper (Eaton) OS306U wire is Common?

My Cooper (Eaton) OS306U has red, black, and blue wires (and green for ground). Both of my existing 3-way switches have a Common and 2 other wires. I would really just like to pop out one of the existing switches and wire up the 306 without rewiring the other end but I cannot figure out which OA306U wire is Common.

Posted by Anonymous on

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5 Related Answers

fridgetech

Craig Shelton

  • 473 Answers

SOURCE: Jenn-Air JED8430 Electric wiring confusion

On Cooktop From Box
| |
Black to Black
Red to Black w/red stripe
White to Ground
Green to Cooktop frame

Posted on Nov 16, 2007

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Benimur

Louie Role

  • 6966 Answers

SOURCE: Pioneer Kp-500 wiring red black gray green Red

Hi and welcome to FixYa,

My compliments on the KP-500.

The black wire serves as common/return for the green/gray speaker wires. Yes, the black wire should also be grounded to the vehicle as it is the power ground and is tied to the chassis/body of the stereo.

Good luck and thank you for asking FixYa.

Posted on Oct 16, 2009

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john h

  • 23577 Answers

SOURCE: I'm using a Leviton 1755 combo 3 switch for a bath

remove white switch one and connect to incoming white ground--all whites should be connected [hooked] together these are grounds-- switch 1 black from fan ,leave switch 2 red from fan ,switch 3 vanity black

Posted on Feb 22, 2010

Anonymous

SOURCE: GE digital timer. Instructions say to: 1)

Find the Hot wire:
Your switch has 2 wires. One of these wires is Hot, and one goes to load. Disconnect wires from switch. Turn on power. Do not stand on wet surface. Test each wire to bare copper wire. When tester lights up, that is Hot wire. The other wire goes to load.

Connect wires:
Hot wire goes to Black timer wire
Wire to load goes to Red timer wire
White wire connects to white wires that are twisted together
Bare copper wire connects to Green wire from timer

How to connect white wire to white wires that are twisted together.
a) Strip white timer wire so you have 1-1/2 " of bare wire. Stranded wire will wrap around other wires easily.
b) Remove wire nut. DO NOT UNTWIST wires.
c) Hold all whites together so bare copper lines up. Wrap stranded copper around the twisted wire.
d) Replace wire nut, or use larger wire nut. Twist real tight. Do not use tape. You can solder the connection.
e) When done, pull on white time wire to make sure it is held tight. Push whites back into box.

Posted on Sep 26, 2010

Anonymous

SOURCE: I bought a Leviton 1201-PLC 15 Amp, 120 Volt,

Your screw terminals are 2-brass and 1-dark.
Dark screw is considered 'common'
http://waterheatertimer.org/ST01C-program.html#3-way

Leviton shows a 3-way 1203-2, but not 1201
Wiring diagram indicates that pilot light is ON whenever switch has power.
http://www.leviton.com/OA_HTML/ibeCCtpItmDspRte.jsp?item=2681§ion=10046&minisite=10026

Check your instruction sheet that pilot light is supposed to turn on-off with Load.
I don't think it is, without additional terminal on switch for neutral wire.
And then it would only work on switch located closest to light.

You can wire this type of thing separately.
Buy ordinary pilot light or indicator light from WW Grainger.
Look at diagram on following image:
http://waterheatertimer.org/images/3-way-circuit-with-pilot-indicator.jpg

Upvote the help.
And take advantage of fixya expert assistance live.
For a price, expert works with you while you work on circuit or any do-it-yourself project.
Fixya is always less expensive than a service call.

Posted on May 09, 2011

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1 Answer

Need wire color diagram


Black = AC hot
Red = switched AC hot
Yellow = AC hot from a another source - another control panel as an example.
White = neutral
red w/white tracer = switched neutral
Green or green w/ yellow tracer = ground/earth ground
blue = DC voltage, ie, 12vdc, 24vdc
white w/blue tracer = dc common
Brown = AC 3 pahse - phase A
Orange = AC 3 pahse - phase B
Yellow = AC 3 Phase - phase C
shileds: think of current loops
2 cond
clear or red = +
black = -(neg)
3 cond
red = power (24vdc typically for transducers)
clear = + (signal output)
black = - (signal common)
Hope this helps, oh, and any panel I have design and wired this way is easily understaood by 99% of all service and electrical people I have worked with.

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My exsitting switch has two black wires connected to side of switch. a red and black coming from the back into wall. and a cooper wire on other side. this cooper wireing device comes with two black...


Ok so I gotta ask you are you saying that your existing switch has in total three black wires, a red wire, and a bare copper wire? If so then it sounds like the existing switch is a multifunction switch, meaning it works more than one fixture. If it had two black wires and one red wire then you more than likely have a three way switch, meaning the one fixture can be controlled from two different switches but either way the new switch will not work if it only has two blacks coming from it and your best bet is buy a meter and find out what is hot and what is not and go from there

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Here are the Pin outs for different mics that will work with your radio. If a wire is not listed then you cut it off. It's best to keep the wires as short as possible no longer than a half inch is suggested. Normally the Cobra pin out is standard for most radios.

Stock - 1- Shield (Ground) 2- Yellow (Audio) 3- Red (Transmit) 4- White (Receive)

Astatic - (4 wire) 1- Shield 2- White 3- Red 4- Black

Astatic - (6 wire) 1- Shield & Blue 2- White 3- Red 4- Black Yellow NC

Daiwa EM-500, Cobra, CA Series - 1- Shield & Black 2- Red 3- White 4- Blue

Galaxy DC-521S - (4 wire) 1- Shield 2- Yellow 3- Red 4- Black

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Sadelta - 1- Shield 2- White 3- Brown 4- Green

Turner - 1- Shield & Red 2- White 3- Blue 4- Black Yellow NC

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GE Timer #15086 has red, white, green, black wires. Wall has white, black & black wires and switch sits between 3 other light switches. (I am replacing the current timer which only has 3 wires and...


GE 15086 programmable timer replaces single-pole switch only.
Single pole means 1 device turns Load on-off.
3-way is where 2 devices turn Load on-off, for example 2 switches located in hallway.

Your existing timer has white, black and blue wires.
Your new timer has white, black, red and green wires.
Green wire connects to bare ground wire in every occasion with every wiring device.

Electricians don't guess, they test the other wires.

Remove old timer.
Separate wires for testing.
Turn on power.
Tape ordinary tester leads to wood sticks to keep hands away from power.
Test each wire to bare ground wire.
Tester will light up on Hot wire. The Hot wire will connect to timer black wire.
Now test Hot wire to each other wire (except bare ground)
Tester will light up on Neutral wire. Neutral wire connects to timer white wire.

The remaining wire connects to timer red wire.
After connecting timer, push manual override button to check that Load turns on-off.

Manual override on 15086 is the door that covers buttons > use door as push button to check Load.
Next, program the timer.
Programming is straightforward and similar to other timers.
If you have a problem, add a comment.

You can also take advantage of Fixya phone support. Expert will walk you through the steps for a price.

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Switch-plug combo:
bare ground goes to green screw
dark screw goes to hot from breaker
silver screw to neutral
brass screw goes to load (light)

Add a comment any time
You are replacing single pole light switch?
Single pole switch has 3 wires: black and red and bare copper

New device has 4 different colored screws: green, dark, brass, silver
Bare copper goes to green screw.
Black wire goes to dark screw
Red wire to brass screw
Nothing on silver screw for a moment. Test circuit and make sure light turns on-off.
If lights works, then good so far.

Now let look at silver screw. Neutral wire has to connect to silver screw.
In back of your electrical box are white wires twisted together and covered with wire nut.
These are neutral wires.
You must connect another short piece of insulated wire to these neutral wires and run that wire to silver screw.
The neutral wire will complete circuit to receptacle.
If you do not have neutral wire, then receptacle will not work in that box without additional wiring.

Hook up neutral wire to silver screw.
Now turn on power and click switch again.
If circuit breaker trips, then reverse your red and black wires.
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1 Answer

I would like to use the 1301 switch but my house circuit has 2 black wires and 1 red wire which terminals do I connect the wires to on the switch?


I don't know the copper-brand 1301 switch
Internet photos of the 1301 show that it has two screw terminals, and a green ground screw
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Sounds like you are replacing 3-way switch with 3 screws. (plus green ground screw)
3-way switches control hallway lights, with switch at each end of hallway.

I think you need to buy a 3-way switch.

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Bare ground always goes to green screw
The key is the dark-colored screw.
Old switch has dark-colored screw >> mark this wire.
Attach this wire to dark-colored screw on new switch.
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Good day,
You wired it correctly. The original setup you had, used a 3 prong, and the white wire could serve as a ground, since all green wires and white wires connect to the same place on the circuit breaker panel.
Adding an additional green wire from the cabinet to a grounding location, such as a bare cold water pipe is just added safety.
There might be something wrong inside the dryer, but to be safe, you should have the outlet checked, to make sure the white(common wire) didn't lift off ground potential, and you have a true 230 volts from red to black, and 115 from both white to red, and white to black at the outlet.

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Residential Electrical Wiring Current NEC


On a 120/240Volt single phase system is:

Black = 1st phase
Red = 2nd phase
White = neutral
Green or Bare = ground

3 phase is the same with the third phase being blue.

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