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Originally Posted by Sparks333
WHY does FIRST insist on using oversized wires??? I mean, I can understand that FIRST doesn't want any wires to fail, but if you are using thicker wire than the leads on, say, the compressor, than the extension will not burn up, but the leads will. That's not avoidable. Also, why do you have to use 6 AWG wires after the 120 amp breaker? If you have enough power to melt a 6 AWG wire, then it will trip the breaker. PLEASE TELL ME WHY!!!!!
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Sparks:
In sections 5.2.6 and 5.2.7, you will notice that there are not any rules on power wiring downstream the speed controllers and relays. (This was not an accidental omission).
Section 5.6 contains guidelines for wiring... but they are only guidelines - not rules.
At all times you have to be compliant with the safety rules.
Hope this helps!
Aidan