National electrical code handbook
Mcpartland, J F
National electrical code handbook - 18th ed. - New York: Mcgraw-Hill Book Company, 1984 - xvi, 1205p.
Electrical code
Electronics
R 621.31(026) / M4
National electrical code handbook - 18th ed. - New York: Mcgraw-Hill Book Company, 1984 - xvi, 1205p.
Electrical code
Electronics
R 621.31(026) / M4