The National Electrical Manufacturers Association (NEMA) recently released FB 2.10-2003, Selection and Installation Guidelines for Fittings for Use with Non-Flexible Metallic Conduit or Tubing, and FB 2.20-2003, Selection and Installation Guidelines for Fittings for Use with Flexible Electrical Conduit and Cable.

FB 2.10-2003 provides guidance on selection and installation criteria for installing fittings for non-flexible metallic conduit or tubing, and FB 2.20-2003 offers guidelines for installing fittings for flexible electrical conduit and cables. Both are in accordance with the NEC.