Posted by Nathan (SD) on January 01, 2015 at 14:36:22 from (64.33.230.92):
I am working on a project. I have much 3/4 PVC and fittings conduit already in possession from a salvage job. I cannot interpret the rules about current ratings. I found charts for conduit fill. It says up to 15 current carrying conductors for 12 guage wire. I want to mix some 8 and 10 and 12 guage in some places. How do I determine how many amps the conduit can handle?
In my mind 14 seperate 12g ccc would be 7 circuits, each with a 20 amp breaker gives me 240 amps of load. 8 separate 10g ccc would be 4 circuits with a 30amp breaker is 120 amps of load. Is this the correct calculation or am I out in left field. The 240 amps seems way high for a 3/4 conduit?
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Today's Featured Article - Listening to Your Tractor - by Curtis Von Fange. Years ago there was a TV show about a talking car. Unless you are from another planet, physically or otherwise, I don’t think our internal combustion buddies will talk and tell us their problems. But, on the other hand, there is a secret language that our mechanical companions readily do speak. It is an interesting form of communication that involves all the senses of the listener. In this series we are going to investigate and learn the basic rudimentary skills of understanding this lingo.
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