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Old 05-18-2011, 01:19 PM   #16
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New circuit panel


Sounds good, I have black and red electrical tape, I'm assuming I should use red on the white wires going to the 240v breakers.
I didn't torque them correctly though, just made them tight. I have a torque wrench at my parents house, if that goes low enough I'll loosen them, then torque properly, don't know that it goes down to 20-30 in lbs. Is it a huge deal to not use the exact torque?

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Old 05-19-2011, 11:41 AM   #17
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New circuit panel


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Originally Posted by banjo View Post
I didn't torque them correctly though, just made them tight. I have a torque wrench at my parents house, if that goes low enough I'll loosen them, then torque properly, don't know that it goes down to 20-30 in lbs. Is it a huge deal to not use the exact torque?
If it wasn't important, they wouldn't tell you to do it.

The basic reason you torque something is to make sure it doesn't work loose due to expansion and contraction. Too little and there's not enough tension on the threads. Too much and you can damage the threads.

Those folks that come here with 180 volts on L1 and 60 volts on L2? Loose neutral which may have been prevented by properly torquing the feeders.

BTW, typical auto torque wrenches start at about 20 FOOT pounds, which is 240 INCH pounds.

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