NEMA PRP 1-2014 (R2019) presents conduit-in-casing construction as a technically sound solution to the problem of laying power/communication cables under a surface obstruction (highway, runway, rail bed, river, etc.) without disrupting traffic roadbed, rail bed or riverbed.
NEMA PRP 1-2014 (R2019)
Original price was: $86.00.$43.00Current price is: $43.00.
Guidelines for Conduit-in-Casing Construction
National Electrical Manufacturers Association , 2015
Pages: 16
