Guide to the National Electrical Code®, 2005 Edition: 10/e © 2005
Thomas L. Harman

Pocket Guide to the National Electrical Code®, 2005 Edition 8/e © 2005
Marvin J. Fischer P.E.

Electricity, Electronics, and Control Systems for HVAC 3/e © 2003
Thomas E. Kissell

Electricity for Heating, Ventilation, Air Conditioning, and Related Areas 1/e © 1998
Timothy Alton

Mechanical and Electrical Systems in Construction and Architecture 3/e © 1995
Frank Dagostino Deceased

Electric Power Transmission Systems 2/e © 1983
Eaton
Cohen