Code Q&A
Sep 8, 2006, By Mike Holt
Illustrated Catastrophes
Sep 1, 2006, By Joe Tedesco, NEC Columnist
As usual, never consider the following commentary associated with these photos as a formal interpretation of the National Electrical Code (NEC). Without...
Code Quandaries
Sep 1, 2006, By Mike Holt, NEC Consultant
All questions and answers are based on the 2005 NEC. Q. What size conductor is required for a 25-hp, 208V, 3-phase fire pump motor (see Figure)? A. Size...
Article 725: Around the Circuit
Sep 1, 2006, By Mike Holt, NEC Consultant
Any time you are working with burglar alarm, access control, sound, nurse call, or intercom systems, as well as computer networks, lighting dimmer controls,...
Code Quiz
Aug 28, 2006, By Steven Owen
Code Q&A
Aug 28, 2006, By Mike Holt
Grounding & Bonding Definitions
Aug 28, 2006, By Mike Holt
Why is grounding so difficult to understand? One reason is because many do not understand the definition of many important terms...
Code Quiz
Aug 14, 2006, By Steven Owen
Code Q&A
Aug 14, 2006, By Mike Holt
Illustrated Catastrophes
Aug 1, 2006, By Joe Tedesco, NEC Columnist
As usual, never consider the following commentary associated with these photos as a formal interpretation of the National Electrical Code (NEC). Without...
Outsourcing Options
Aug 1, 2006, By Beck Ireland, Staff Writer
For the last few years, has been the buzzword in the plant maintenance world, and the numbers prove it. In 2004, consulting firm D.F. Blumberg Associates,...
Stumped by the Code?
Aug 1, 2006, By Mike Holt, NEC Consultant
All questions and answers are based on the 2005 NEC. Q. Can 277V circuit conductors be placed within the same raceway with 120V circuit conductors? A....
Legally Required and Optional Standby Systems
Aug 1, 2006, By Mike Holt, NEC Consultant
Emergency power systems (Art. 700) are at the top of the hierarchy of backup power systems. Legally required standby systems, which fall under Art. 701,...
Code Quiz
Jul 25, 2006, By Steven Owen
Code Q&A
Jul 25, 2006, By Mike Holt
Code Quiz
Jul 11, 2006, By Steven Owen
Code Q&A
Jul 11, 2006, By Mike Holt
Illustrated Catastrophes
Jul 1, 2006, By Joe Tedesco, NEC Columnist
As usual, never consider the following commentary associated with these photos as a formal interpretation of the National Electrical Code (NEC). Without...
Stumped by the Code?
Jul 1, 2006, By Mike Holt, NEC Consultant
All questions and answers are based on the 2005 NEC. Q. Is GFCI protection required for a single-phase, 208V, 30A coffee maker receptacle in a commercial...
Code Quiz
Jun 20, 2006, By Steven Owen






























