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Old 07-09-2012, 05:25 PM   #1
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Recently my sister had a licensed electrician upgrade the electric service from 60 to 100 amps. When she called on me to reset a tripped breaker I noticed the box did not have a main breaker. The service wires are tied on to the buss bars at the top which feed the separate breakers. 15, 20, 30 amps. I have never seen this before and was wondering if this is up to code? A permit was taken and I presume it was inspected. thanks, Bob

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Old 07-09-2012, 05:26 PM   #2
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if there is no main disconnect ahead of this(assuming main/only panel), and more than 6 throws of the hand to disconnect all power, yes this is a code violation

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Old 07-09-2012, 05:39 PM   #3
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Did it pass inspection? Did you look outside for a disconnect?

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Old 07-09-2012, 06:21 PM   #4
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Go look at the meter. Is there a breaker there?
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Old 07-09-2012, 10:43 PM   #5
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Thanks everyone. I'll check these things out tomorrow. Bob
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Old 07-10-2012, 08:29 AM   #6
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What you are seeing is a main lug only (MLO) panel. They are quite common; the panel in my house is an MLO. The main disconnect is outside, next to the meter. I do not know the specific requirement, but there is a maximum distance the panel can be away from the meter before you have to have a disconnect at the meter. I think it's something like 5 feet.
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Old 07-10-2012, 08:41 AM   #7
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Quote:
Originally Posted by md2lgyk View Post
I think it's something like 5 feet.
That distance varies greatly depending on where you live.
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Old 07-10-2012, 09:28 AM   #8
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Quote:
Originally Posted by k_buz View Post
That distance varies greatly depending on where you live.
Yes, I imagine it does. Just like many things in the code.
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Old 07-10-2012, 05:49 PM   #9
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Quote:
Originally Posted by md2lgyk View Post
but there is a maximum distance the panel can be away from the meter before you have to have a disconnect at the meter. I think it's something like 5 feet.
The actual code states this; The service disconnecting means shall be readily accessible location either outside of a building or structure or inside nearest the point of entrance of the service conductors.


Now, with that said, why an inspector would allow anything but the nearest point of entrance I have no clue.

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