Code Quiz
Dec 22, 2004, By Steven Owen
Code Quiz
Dec 8, 2004, By Steven Owen
Code Q&A
Dec 8, 2004, By Mike Holt
What's Wronge Here?
Dec 8, 2004, By Joe Tedesco
Hint: Although the view in this picture is looking upward, you should be thinking more along the lines of the ground the photographer was standing on....
Understanding The Basics of Wye Transformer Calculations
Dec 1, 2004, By Mike Holt, NEC Consultant
Add this information to what you know about delta transformers and you may be ready to solve power quality problems...
Code Q&A
Nov 23, 2004, By Mike Holt
Code Quiz
Nov 23, 2004, By Steven Owen
What's Wrong Here?
Nov 23, 2004, By Joe Tedesco
Hint: Does Art. 314, as related to box size, apply to this motor terminal housing?...
Code Quiz
Nov 8, 2004, By Steven Owen
Code Q&A
Nov 8, 2004, By Mike Holt
What's Wrong Here?
Nov 8, 2004, By Joe Tedesco
Hint: Where's the listed or approved symbol on this extension cord?...
2005 Code Changes
Nov 1, 2004, By Mike Holt, NEC Consultant, with introduction by EC&M staff
Has it already been three years? For some of you who wait with bated breath for every edition of the National Electrical Code, the 2005 NEC probably couldn't...
Everything You Need to Know About Switches, and More
Nov 1, 2004, By Mike Holt, NEC Consultant
Just like the receptacle, which was covered in this column last month, switches are a common element in everyday life. You can find them at work, in public,...
Understanding the Basics of Delta Transformer Calculations
Nov 1, 2004, By Mike Holt, NEC Consultant
Transformer configuration names like and derive from the way the windings are connected inside the transformer. These connections determine the way the...
The Almighty Code
Nov 1, 2004, By Michael Eby, Editor-in-Chief
With its 50th edition about to hit the streets, the NEC has now seen more revisions than a lot of electrical industry professionals have celebrated birthdays,...
What's Wrong Here?
Oct 22, 2004, By Joe Tedesco
Hint: This is a "hot" receptacle in more ways than one....
Code Q&A
Oct 22, 2004, By Mike Holt
Code Quiz
Oct 22, 2004, By Steven Owen
