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240volt Residential Wiring Help

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Expand view Topic review: 240volt Residential Wiring Help

by cargodz » Sat Nov 08, 2008 5:57 am

Ryan from Ohio wrote: I would get the proper breakers. For $12 its not worth the risk.
^ Extremely double that statement... Somebody shortcut on the breakers in that scenario and probably just used what they had on hand and it should be replaced with the proper breaker.

And it shouldn't matter where the main is on the panel as it should have the main lead from the meter coming to it and then power the panel from there... But check with the dmm as a safety measure.

by Ryan from Ohio » Sat Nov 08, 2008 4:54 am

Image

Theres my breaker.

The bottom two breakers I added. One for my A/C and one for my kids electric heater in her room. Only one works per season ;)

Now the stove is the dual 40 Amp.

I would get the proper breakers. For $12 its not worth the risk.

by scotts1000rr » Fri Nov 07, 2008 6:56 pm

Ryan from Ohio wrote: I know on the double breakers the switches are connected so they both trip.
Thats so it shuts off the entire appliance not just one side,plus you are saying you have 2 50amp breakers, that is double what it should be, a 240volt breaker would be a total of 50amps not 50 each side.

by Ryan from Ohio » Fri Nov 07, 2008 3:22 pm

Well thats not correct.

I cant remember if theres some other reason, but I know on the double breakers the switches are connected so they both trip.

I would get the correct breaker first off.

Secondly, I would run wires to and wire the breaker, then push it into its slot.

by lotas » Fri Nov 07, 2008 11:05 am

Thanks for the replies guys...I appreciate it.


I'm gonna do a little messing around with my DMM tonight...my main breaker isnt at the top like most, it's halfway down the right side of the breakers. Does that mean its only going to control those below it, or does it still make the whole hot bus bar live, making every breaker live?


And last question. The existing breakers for the range are two single 50amp ones....not ONE breaker that takes up TWO slots, but two separate 50amp breakers. I can't remember the correct terms right now so forgive me. But as I understand it, a 240volt breaker is typically a double breaker. Does it make a different? I realize either way you're getting 120volts twice from the hot bus bar, but is there any safety issues with that setup?

by scotts1000rr » Thu Nov 06, 2008 6:35 pm

Always check with meter even if you THINK its off make sure!!!!

by MobileAudio219 » Thu Nov 06, 2008 3:40 pm

Make sure youre using the right amp breaker as well....

by cargodz » Thu Nov 06, 2008 2:47 pm

^Agreed... If you're still questionable then you can check it with a dmm, but if you kill the main breaker you should have no power to the rest of the box.

by Bwcad1 » Thu Nov 06, 2008 12:17 pm

Check with your DMM if you still question it. AC 500v setting.

by Ryan from Ohio » Thu Nov 06, 2008 12:10 pm

Cut the main power, should be the top circuit breaker. Run your wires as you would. If your new wires are going to anew/old circuit, remove that breaker. Add wires. Finish wiring up your plug. THEN put the breaker into its slot. turn on the main power. Then turn on that breaker.

Should be fine.

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