National Electrical Code, 1987 Guide

McGraw-Hill's Illustrated Index to the 1999 National Electrical Code

Nec's 2002 Analysis of Changes

Illustrated Guide to the National Electrical Code

Illustrated Guide to the NEC: Based On The 2005 National Electric Code

Applied Codeology: Based On The 2005 National Electric Code

House Wiring with the National Electrical Code: Based on the 1999 National Electrical Code

Applied Codeology: Navigating the NEC 2008

Illustrated Guide to the National Electric Code

The New Handbook for Electricians: Based on the 1993 NEC

Installation Requirements of the 1993 National Electrical Code