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[QUOTE]Trophyseeker50 - 9/4/2013  7:28 PM

I don't want to turn this into a b1$!? fest but by raising the over current device( circuit breaker ) to a larger size than what the wiring components are rated for creates resistance in that the components begin to fail. Be it the wire, connections,plug or what any other part as it fails the resistance increases. This is visible as heat. I understand ohms law but that is saying that said wire is in new condition at a certain temp. If your wire is undersized for the current draw the wire/ connections will heat up creating a higher resistance. If you have a quality multimeter you can test this.  NEC table b310.3  # 8 is rated for 50 amps at 75degC. #6 is rated for 68 amps at the same temp rating.   I'm sorry you misconstrued one small portion of my point. That being to make sure that everything in your electrical system is rated properly so as not to burn up the weakest rated component what ever that may be. Every time. And yes that includes the wire. 
No matter what 8gauge wire is NOT rated for 60 amps. So yes it and anything not properly rated for the amperage WILL burn up. 
Andy 
State certified electrician[/QUOTE]

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Trophyseeker50

Posted 9/4/2013 7:28 PM (#661372 - in reply to #655636)
Subject: Re: TM CIRCUIT BREAKER

Posts: 791

Location: WI

I don't want to turn this into a b1$!? fest but by raising the over current device( circuit breaker ) to a larger size than what the wiring components are rated for creates resistance in that the components begin to fail. Be it the wire, connections,plug or what any other part as it fails the resistance increases. This is visible as heat. I understand ohms law but that is saying that said wire is in new condition at a certain temp. If your wire is undersized for the current draw the wire/ connections will heat up creating a higher resistance. If you have a quality multimeter you can test this. NEC table b310.3 # 8 is rated for 50 amps at 75degC. #6 is rated for 68 amps at the same temp rating. I'm sorry you misconstrued one small portion of my point. That being to make sure that everything in your electrical system is rated properly so as not to burn up the weakest rated component what ever that may be. Every time. And yes that includes the wire.
No matter what 8gauge wire is NOT rated for 60 amps. So yes it and anything not properly rated for the amperage WILL burn up.
Andy
State certified electrician

Edited by Trophyseeker50 9/4/2013 8:31 PM