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.
Anchor a 4 x 4 x 1-1/2 in. metal junction box and attach a length of conduit to it with a conduit connector (you'll need two conduits for two cables). Secure another conduit connector to the top of the conduit to protect the cable from the sharp edge of the pipe. Secure the conduit with a conduit strap.