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Curcuit wiring I need to wire into my breaker panel a new curcuit. I have pulled the wire and am ready to connect it in the breaker box. The wire has a white and a black insulated wire and a naked ground wire. I have a new 15amp breaker. I think the white connects to the breaker, but I'm not sure about the black. And does the ground connect to the bar at the top of the panel ? Thanks for any advice. James

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  • jrd29687 Oct 25, 2008

    Thanks, I appreciate the help. I did turn off the main breaker and checked with my meter, but I didn't find any power. I will be very careful. I assume I can twist the bare and the white together and connect to the ground.

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Black will normaly go to the breaker on a 110 circuit white is ground and the bare is secoundary ground..You should see this with the cover removed. BE VERY CAREFULL AS THERE IS POWER INSIDE THE BOX AT ALL TIMES AND A WRONG MOVE COULD SEND YOU TO THE UNDERTAKER,EVEN IF YOU TURN OFF THE MAIN BREAKER THERE IS STILL POWER COMING INTO THE BOX THAT COULD KILL YOU...If i were you i might call a friend ta help.

Posted on Oct 25, 2008

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1 question can Cutler Hammer breakers have the amperage feed through the breakers. To the breaker box and from the box grid to the load. Does it matter which way the amperage is fed through the breaker?...


There seem to be several questions mingled in with those 2 questions.

1) Amps can go either way

2) Breakers trip when heat exceeds certain level. Heat is caused by amps.

3) You want to add a subpanel in garage.
I do not know the code in your area for installing a subpanel.
Your plan will work by connecting 6 gauge wire to main breaker, and new 60 amp breaker will protect wires between main box and subpanel.
Remember, wires going into main breaker cannot be turned off without pulling meter.
Some areas require license to pull meter.
http://waterheatertimer.org/How-to-replace-circuit-breaker.html

4) To work around license and meter-pull, simply replace a 240V breaker in main panel with your new 60 amp breaker.
Then move breakers around to match new set-up.
New subpanel can accommodate two new 240V breakers and one new 120 Breaker
http://waterheatertimer.org/How-to-install-a-subpanel.html

5) 6 gauge wire is correct for 60 amp breaker.

6) I'm not sure what you mean by the box rails?

7) Do you need more amperage on main service?
This means adding a larger service panel with 150 Watt or 200 Watt main breaker.
Some areas require service upgrade when remodeling or adding circuits.

8) How to figure total amp draw at your house.
Add up total watts being used.
For example you have 1/2 Hp motor
754 watts per Hp
1/2 Hp = 377Watts
Volts x Amps = Watts
Amps = Watts divided by Volts.
377 Watts divided by 240Volts = 1.57 amps (plus a bit more amperage when motor starts)
40 watt light bulb divided by 120Volts = .33 amps
Double oven has label located inside door that shows upper and lower wattage.
Dishwasher, dryer, big screen TV, satellite receiver all have labels that show wattage.
Water heater has label that shows wattage of each element.
http://waterheatertimer.org/Figure-Volts-Amps-Watts-for-water-heater.html
http://waterheatertimer.org/See-inside-main-breaker-box.html

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Feb 18, 2011 | Cutler Hammer 100 Amp Main Breaker...

1 Answer

Keeps knocking the electric off in the whole house


I would guess it is a short> possible causes:
1) outlet: turn off breaker to outlet pull cover off and look for burnt or loose wires
2) dryer cord: take back metal plate off of dryer look for burnt or loose wires
3) heating element
4) check all internal wiring for burnt or loose connections

The breaker for the dryer should be a 30 amp breaker, and should only trip that breaker. If it is tripping the main on the panel then something else is wrong. You will need to pull off the panel the the breaker box and pull out the dryer breaker and look to see if it burnt, make sure the wires are tight on the breaker, you may want to try a new breaker also. Hope this helps Tim

here is a website that may help:

http://www.applianceaid.com/general.html#fuse

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Can a circuit breaker fail? There is no power in my daughters room, but the circuit breaker seems to be fine. It doesn't reset or fix the problem.


Make sure to click breaker completely over to one side and then click all the way back to reset.

Yes, breakers go bad.

You can check your breaker in a simple way.

Turn main breaker OFF.
Mark daughter's breaker.
Take cover off breaker box.
The main breaker will still have power on the lugs where big wires connect.
Rest of box will have no power.
Notice that each 120 volt breaker has a wire connected to end of breaker.
Use screwdriver and tighten this wire.
If screw is already tight, then loosen screw and pull wire out, and move wire to another breaker marked with same amperage. For example if daughter's breaker is 20, then move wire to another 20. Now there will be two wires connected to that breaker.
Turn power ON and see if daughter's room is restored.
This set up will work fine until you have time to replace breaker with same brand as marked on breaker box, usually available at home center (if available).

If power is not restored by moving wire, then there is a loose wire inside a junction box located in daughter's room.
Test each receptacle in room to confirm that nothing on that circuit has power.
If some receptacles have power, start opening other receptacle boxes looking for loose wire, especially at the quick-connects where wires stab into back of receptacle device.
If whole circuit is off, then to isolate location of loose wire, start at the ceiling box, and see if there is a loose black or white wire. Most electricians run wire from breaker to the ceiling box, and then other wires spread out from there and go box to box until each box has a black and white wire that connects back to original breaker.

Dec 29, 2010 | Electrical Supplies

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I want to install a cutler hammer 20amp. cuircut breaker in my home. i need instructions on how to wire it up in the breaker box. can anyone help?


20 amp 120 or 240? All 20 amps 120 must be 12 gauge wire for all connections on that circuit.. no exceptions

120- Bring wire into box securely as is done with all the other wires. Shut the breaker to "off". wire the black wire from the screw on the back of the breaker. white wire to the bar with all the other whites. copper to the same bar or separate grounding bar if available. snap breaker into place. turn breaker on

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How do I run from a 100 amp main panel to a 60 amp subpanel, 125 from my house to the garage


See 60 Amp sub-panel image

Above image shows drawing of 60Amp sub-panel located next to main panel. Drawing shows #6 wire... 125' distance to garage calls for #4 wire. I ran #4 to my barn and have no problems.

Give thought to how many new breakers you want at garage.
See photo of subpanel that holds three 240V breakers

Using drawing as a guide. Replace existing 240Volt breaker with new 60 Amp breaker. Two hot wires connect to new 60 Amp breaker. Neutral connects to neutral busbar.

More space: You can free up space in main breaker box using a tandem breaker. Or by doubling up 2 lightly used 120V circuits onto one breaker. Do not double-up on 240 Breakers

Conduit: You want PVC conduit large enough to fit three #4 wires. Bigger conduit is easier to pull wires ... and maybe later ethernet wire, or alarm wire etc.

Ground wire: You can put a ground rod at garage and run #6 bare copper between sub-panel neutral-busbar and ground rod. Attach ground wire firmly with grounding clamp.

I want you to check with local electrical supply for exact code in your area concerning conduit requirements, grounding, and wire size. Tighten all lugs very tight against wire.

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1 Answer

Two 15 amp arc fault breakers installed on two adjacent circuits. One works fine - does not trip. The afi breaker beside it trips as soon as it is flipped on. We tried switching circuits, but both circuits...


It's possible that the first breaker that you said does not trip - it could be that breaker is failing to trip on a bad circuit. That is, it could be you have a bad circuit but that first breaker is not detecting it and pretends everything is OK. If your new breaker trips on the first breaker's circuit, the curcuit it probably bad and the breaker in not working properly. The most common problem for failed circuits is a stray ground wire in a box somewhere in the curcuit resting against a hot or neutral wire. You'll have to take apart every connection on that curcuit to find it. Not fun.

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Ehyb4 circuit breakers


First switch off the power at the main breaker or pull the meter from the meter socket. If you flip off the main breaker and it is mounted in the same breaker panel, just be aware that the wires above the breaker are still hot. Connect the white wire to the neutral bar, the green wire to the ground bar, and the black wire to the breaker. Then tilt the breaker to get the front black lug under the bar and push the back of the breaker onto the lug on the bus bar.

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Not all Breakers in Breaker Box working,


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Possible loose connections on the wires to the breakers,
or in the unit. loose connections casuse the wire to overamp and trip the breaker.
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there ar also other possibilites but the 2 formentioned is the most common cause.

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