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Old 09-23-2012, 10:26 PM   #16
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Need to replace a main breaker, which one is correct?


There is one tip which I do from time to time but not always work on this type of panel but there is couple breaker on left side of the main breaker ( SVP kill the main first before you do this part ) and yank two or three breaker and see how the bussbar look like if kinda burnted or smell like it was burnted then I will recomend that the panel to be replaced.

I know few of the guys recomened that the main breaker to be replace by whole panel due there are some reason due if the lugs were overheated and if you installed the new main breaker on the exsting bussbar tab which it did show sign of overheat and try to clean it and installed it back well.,, tell you the truth it will fail again.

So that kinda a judgement call and by the way is this panel is outdoor location ??

Merci,
Marc

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Old 09-23-2012, 10:39 PM   #17
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Need to replace a main breaker, which one is correct?


OK T60..you seem to be very indignant even though you are the one asking for advice..maybe you should have explained about the age of the panel ..up front..AND sown a picture of the whole panel to boot OR just take the poco's advice and not bother with this forum.IMHO .people shouldn't have to apologize to you for your short temperament
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Old 09-23-2012, 11:54 PM   #18
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Need to replace a main breaker, which one is correct?


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There is one tip which I do from time to time but not always work on this type of panel but there is couple breaker on left side of the main breaker ( SVP kill the main first before you do this part ) and yank two or three breaker and see how the bussbar look like if kinda burnted or smell like it was burnted then I will recomend that the panel to be replaced.

I know few of the guys recomened that the main breaker to be replace by whole panel due there are some reason due if the lugs were overheated and if you installed the new main breaker on the exsting bussbar tab which it did show sign of overheat and try to clean it and installed it back well.,, tell you the truth it will fail again.

So that kinda a judgement call and by the way is this panel is outdoor location ??

Merci,
Marc
Thanks for the info -- he had pulled the breakers yesterday and said the panel looks great, just the main breaker needs to be replaced.

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OK T60..you seem to be very indignant even though you are the one asking for advice..maybe you should have explained about the age of the panel ..up front..AND sown a picture of the whole panel to boot OR just take the poco's advice and not bother with this forum.IMHO .people shouldn't have to apologize to you for your short temperament
Calm down.

I asked a very basic question on a breaker and was told "replace the entire panel" without reason. I wasn't asking to troubleshoot a problem, just trying to find out the difference between two breakers I saw. I'm sure most people would be frustrated, and it's water under the bridge now.

You shouldn't feel compelled to respond in my thread, especially when you don't provide any pertinent information.
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Old 09-24-2012, 07:04 PM   #19
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Need to replace a main breaker, which one is correct?


I do see a 20 space Murray panel for 55.00 at Lowes

Item #: 71774 | Model #: LC2040B1100
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Old 09-24-2012, 09:29 PM   #20
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Need to replace a main breaker, which one is correct?


Thanks for the info -- I was just about to buy a new main breaker, but curiosity got me and the panel I have is a Murray "JA1020B1100F" which is $45 here at Home Depot. I may just buy that instead and replace the panel after all! It doesn't look that hard to replace, I would probably spend most of my time wiring neutrals/grounds in the busbar neatly and putting the breaker wires back together.

Worst case it comes with the main breaker which is $30, so I figure $15 more and I can get the entire panel with the breaker installed instead! I retract my previous statements about replacing the panel, as I had no idea it would be so close in price. Sorry deverson.
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Old 09-24-2012, 10:46 PM   #21
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Need to replace a main breaker, which one is correct?


If it is the same panel, you can remove the guts and place them into the can without removing the can.
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Old 09-24-2012, 11:31 PM   #22
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Need to replace a main breaker, which one is correct?


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If it is the same panel, you can remove the guts and place them into the can without removing the can.
Generally this is quicker than try to rip the whole can out.

Few of us done like that once a while.

Merci,
Marc
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Old 09-24-2012, 11:46 PM   #23
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Need to replace a main breaker, which one is correct?


Thank you -- I recall the electrician I hired to replace the panel 3 years ago did this. I wondered why the can was still looking so old even after the replacement. I looked at my receipt he gave me and cannot believe he charged me $280 for the work. It only took him 30 minutes and a $50 part; he didn't even replace the main breaker
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Old 09-24-2012, 11:55 PM   #24
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Need to replace a main breaker, which one is correct?


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Thank you -- I recall the electrician I hired to replace the panel 3 years ago did this. I wondered why the can was still looking so old even after the replacement. I looked at my receipt he gave me and cannot believe he charged me $280 for the work. It only took him 30 minutes and a $50 part; he didn't even replace the main breaker
Sérieux ?

Most homes/commercal locations generally I will replace the whole thing but if the tub or can is enbedded in concrete then it is differnt story.

Merci,
Marc
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Old 09-25-2012, 06:42 AM   #25
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Need to replace a main breaker, which one is correct?


Quote:
Originally Posted by t60 View Post
Thank you -- I recall the electrician I hired to replace the panel 3 years ago did this. I wondered why the can was still looking so old even after the replacement. I looked at my receipt he gave me and cannot believe he charged me $280 for the work. It only took him 30 minutes and a $50 part; he didn't even replace the main breaker
OK, now replace the panel

As long as the replament parts have a main breaker,then you can replace the guts, or go all out and replace the panel.
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Old 09-26-2012, 05:30 PM   #26
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Need to replace a main breaker, which one is correct?


Quick question -- do the breakers need dielectric grease before installing them onto the new "guts"? I see some on existing breakers, but not sure if it's really needed.This panel is outside of my house..
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Old 09-26-2012, 06:01 PM   #27
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Need to replace a main breaker, which one is correct?


Dielectric grease is insulating, non-dielectric is conductive.

You didn't mention a heavy ocean fog, which is applicable to your question.

My input would be that a little non-dielectric in the right places can't hurt, but too much in the wrong places can.
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Old 09-26-2012, 07:26 PM   #28
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Need to replace a main breaker, which one is correct?


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Dielectric grease is insulating, non-dielectric is conductive.

You didn't mention a heavy ocean fog, which is applicable to your question.

My input would be that a little non-dielectric in the right places can't hurt, but too much in the wrong places can.
You mention heavy ocean fog, which is actually applicable in my situation. I live in Pacifica, CA where it's foggy 80% of the year. I'll see if I can find the grease easily, if not, I'll just skip it since it doesn't sound like it's needed. Just want to prevent the same issue from occurring if I can.
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Old 09-26-2012, 07:32 PM   #29
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Need to replace a main breaker, which one is correct?


Do not use any grease. Add nothing the dosen't come on the breaker when you buy it.

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