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Texas Jim S

Belton, TX

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Posted: 08/07/11 10:36pm Link  |  Quote  |  Print  |  Notify Moderator

My main circuit breaker went out on my Cedar Creek Saturday afternoon so only places like Lowes were open. I have never heard of this brand. It may be popular for RV's but I don't know. The brand is T&B ( Thomas and Betts ). I find them listed on Google but no dealers listed close to here. It is a dual breaker with the master being 30 and the AC being 20. It is 1 inch wide. I looked at Square D, G.E. and others but none of them will work. I will check with RV Suppliers in the morning but would like to know if anybody has used this brand. I will check with Cedar Creek also. I need something in Central Texas or somewhere between here and Raton, New Mexico. With this temperature I would have to find one before I could spend the night.

bldrbuck

one or the other

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Posted: 08/07/11 10:50pm Link  |  Quote  |  Print  |  Notify Moderator

In an emergency you can bypass the CB with a Piece of 10 guage wire. That will make the post cb your protection.


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hitec

Lower Alabama

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Posted: 08/07/11 11:39pm Link  |  Quote  |  Print  |  Notify Moderator

Thomas and Betts is a common brand. It is usually compatible with GE, and Millbank Breakers. A work around if you have another free slot, replace the 30,20 with 2 singles (a 30, and a 20). The single breakers will be around $5 or $6 a piece.

RoyB

King George, VA

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Posted: 08/08/11 03:45am Link  |  Quote  |  Print  |  Notify Moderator

I found all I needed at Lowes - Did you go there ??? When I upgraded to the WFCO 8900 series power dist unit no one told me I needed to also order breakers. I found the exact replacement type at Lowes starting with the 30AMP full size slot and then the rest were all 1/2 size slots. Take one with you to make sure the snap-in clips works..


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Posted: 08/08/11 06:41am Link  |  Quote  |  Print  |  Notify Moderator

It is very rare for a circuit breaker to completely fail. I wonder if it keeps tripping because of a low voltage situation, causing the amp draw to rise to a point the breaker trips. I suggest the poster energize the system with minimal load and slowly increasing the load until the breaker trips. I bet the real cause is too much load on a 30 amp system. Electric water heater, refrigerator on electric, and air conditioning use in extreme temperature will trip a 30 amp breaker. Add a microwave to the mix and you are guaranteed to trip a 30 amp breaker every time!

powderman426

ohio

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Posted: 08/08/11 07:09am Link  |  Quote  |  Print  |  Notify Moderator

bldrbuck wrote:

In an emergency you can bypass the CB with a Piece of 10 guage wire. That will make the post cb your protection.


Say what? Isn't that like putting a penny in the fuse box? I say that is bad advice.


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bldrbuck

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Posted: 08/08/11 09:36am Link  |  Quote  |  Print  |  Notify Moderator

powderman426 wrote:

bldrbuck wrote:

In an emergency you can bypass the CB with a Piece of 10 guage wire. That will make the post cb your protection.


Say what? Isn't that like putting a penny in the fuse box? I say that is bad advice.

Note I said in an emergency and the post CB would give protection.

bldrbuck

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Posted: 08/08/11 09:37am Link  |  Quote  |  Print  |  Notify Moderator

powderman426 wrote:

bldrbuck wrote:

In an emergency you can bypass the CB with a Piece of 10 guage wire. That will make the post cb your protection.


Say what? Isn't that like putting a penny in the fuse box? I say that is bad advice.

Note I said in an emergency and the post CB would give protection.

kaydeejay

SE Michigan, USA

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Posted: 08/08/11 12:12pm Link  |  Quote  |  Print  |  Notify Moderator

powderman426 wrote:

bldrbuck wrote:

In an emergency you can bypass the CB with a Piece of 10 guage wire. That will make the post cb your protection.
Say what? Isn't that like putting a penny in the fuse box? I say that is bad advice.
Not really!
Why?
When plugged into a 30A service you have TWO 30A CBs in series. In fact one is actually redundant. No way will the unit draw more than 30A.
When plugged into a 50A service, the CB in the RV becomes the limiting factor as it will trip before the 50A unit in the supply.
So I am agreeing with bldrbuck - PROVIDED the supply has a 30A breaker, there is no loss of overcurrent protection if the CB in the trailer is TEMPORARILY bypassed.

A penny in the fuse box is a different animal. You may be bypassing a 15A fuse so the protection falls back on the main breaker, which may be 100 or 200 amps.
Totally different situation.


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HamsHog

Fulltimer/PS Oasis RV Park, CA

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Posted: 08/08/11 01:11pm Link  |  Quote  |  Print  |  Notify Moderator

Texas Jim S wrote:

My main circuit breaker went out on my Cedar Creek Saturday afternoon so only places like Lowes were open. I have never heard of this brand. It may be popular for RV's but I don't know. The brand is T&B ( Thomas and Betts ). I find them listed on Google but no dealers listed close to here. It is a dual breaker with the master being 30 and the AC being 20. It is 1 inch wide. I looked at Square D, G.E. and others but none of them will work. I will check with RV Suppliers in the morning but would like to know if anybody has used this brand. I will check with Cedar Creek also. I need something in Central Texas or somewhere between here and Raton, New Mexico. With this temperature I would have to find one before I could spend the night.


Hey Texas Jim,

A Cutler-Hammer breaker should work. I believe it's a BR2030.. Try an electrical wholesale house.

Regards, Hamshog


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