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Electrical equipment in industrial facility

Code Calculations

April 1, 2001

James Gray Stallcup

CEO

James Gray Stallcup is CEO of Grayboy, Inc. He's a National Electrical Code (NEC) and OSHA expert, as well as being designated as having the qualifications to be classified as a Safety Engineer.

Quizzes on the Code

Sept. 1, 2000
Sizing Pull Boxes Art. 370 Choose the best answer. (Assume all conductors pulled through the conduits in Questions 1-5 are No. 4 and larger.) 1. What is the minimum length pull...
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Classifying and Using Class 1, 2, and 3 Circuits

Aug. 1, 2000
NEC requirements for remote-control, signaling, and power-limited circuits

The Top 25 Proposed Code Changes for 2002

Aug. 1, 2000
As the next edition of the NEC begins to take shape, here's a look at the top 25 most important proposed Code changes that will affect you as an electrical professional. As you...