Standards and Publications:

NEMA standards and publications relevant to thermoplastic-insulated underground feeder and branch circuit cables include:

NEMA RV 2-2005, Application and Installation Guidelines for Nonmetallic-Sheathed Cable and Underground Feeder and Branch Circuit Cable

NEMA FB 1-2003, Fittings, Cast Metal Boxes, and Conduit Bodies for Conduit, Electrical Metallic Tubing, and Cable

NEMA FB 2.20-2003, Selection and Installation Guidelines For Fittings for Use With Flexible Electrical Conduit and Cable Status: Active

NEMA OS 1-2003, Sheet-Steel Outlet Boxes, Device Boxes, Covers, and Box Supports

NEMA OS 2-2003, Nonmetallic Outlet Boxes, Device Boxes, Covers, and Box Supports

NEMA OS 3-2002, Selection and Installation Guidelines for Electrical Outlet Boxes

User Guide to Product Specifications for Building Wire and Cable

Guidelines for Handling Water Damaged Electrical Equipment

UL standards and publications relevant to thermoplastic-insulated underground feeder and branch circuit cables include:

UL 493
Underground Feeder and Branch Circuit Cable

UL 44/CSA C22.2 No. 38/NMX-J-451-ANCE
Thermoset-Insulated Wires and Cables
(a trinational standard for North America)

UL 83/CSA C22.2 No. 75/NMX-J-010-ANCE
Thermoplastic-Insulated Wires and Cables
(a trinational standard for North America)

UL 2556/CSA C22.2 No. 2556/NMX-J-556-ANCE
Wire and Cable Test Methods
(a trinational standard for North America)

UL 514B/CSA C22.2 No. 18.3/NMX-J-017-ANCE
Conduit, Tubing and Cable Fittings
(a trinational standard for North America)

UL 514C
Nonmetallic Outlet Boxes, Flush Device Boxes and Covers

UL Wire and Cable Marking Guide

Go here for UL Guide Card information on underground feeder and branch circuit cable.