1.
 |  | Title: National Electrical Safety Code Handbook: A Discussion of the Grounding Rules, General Rules, and Parts 1, 2, 3, and 4 of the 3rd (1920) Through 1977 Editions of the National Electrical safety by Allen L. Clapp, American National Standards Institute National Electrical Safety Code ISBN: 1559377240 Publisher: Institute of Electrical & Electronics Enginee Pub. Date: 01 August, 1996 List Price: $106.00 Amazon.com Price: $106.00 |
2.
 |  | Title: National Electrical Safety Code Handbook: A Discussion of the Grounding Rules, General Rules, and Parts 1, 2, 3, and 4 of the 3rd (1920) Through 2002 Editions of the National Electrical safety by Allen L., P.E., P.L.S. Clapp ISBN: 0738127795 Publisher: IEEE Standards Office Pub. Date: 01 August, 2001 List Price: $115.00 Amazon.com Price: $115.00 |
3.
 |  | Title: Nesc Handbook: Development and Application of the American National Standard, National Electrical Safety Code Grounding Rules, Genera by Allen L. Clapp ISBN: 0471807834 Publisher: Institute of Electrical & Electronics Enginee Pub. Date: January, 1984 List Price: $29.95 Amazon.com Price: $29.95 |
4.
 |  | Title: National Electrical Safety Code Handbook by Allen L. Clapp ISBN: 999214243X Publisher: Thomson Learning Pub. Date: 01 September, 1992 List Price: $106.00 Amazon.com Price: $106.00 |
5.
 |  | Title: National Electrical Safety Code Handbook: A Discussion of the Gounding Rules, General Rules, and Parts 1,2,3, and 4 of the 3rd (1920) Through 1993 Editions of the National Electrical Safety c by Allen Clapp, Allen L. Clapp ISBN: 1559372117 Publisher: Institute of Electrical & Electronics Enginee Pub. Date: 01 January, 1998 List Price: $102.00 Amazon.com Price: $102.00 |