Best Answer: the rate of diffusion is directly proportional to the concentration gradient. The greater the difference in concentration between two areas, the greater the rate of diffusion.
EPC-40: Electrical Plastic Conduit : Designed for normal duty application. EPC-80: Electrical Plastic Conduit : Designed for heavy duty application.
RIGID CONDUIT AND KNOCKOUT SIZES. Conduit is used to protect and support electrical wires. Both rigid conduit and intermediate metallic conduit are threaded and accept couplings, nuts, and bushings et cetera directly. (1) UL Table NAE.3.