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 - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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