The National Electrical Manufacturers Association has published NEMA FB 2.20-2014 Selection and Installation Guidelines Fittings for Use with Flexible Electrical Conduit and Cable. June 1, 2015 The ...
Both are fairly thick-walled and use threaded fittings. To bend either one on a conduit bender, you must use a shoe rated for conduit. If you use a tubing shoe instead, you will likely damage the shoe ...