ECM Buyers' Guide
    (0)    Follow WWH?

What's Wrong Here?

May 1, 2008 6:51 PM, By Joe Tedesco, NEC Columnist

Hint: A danger sandwich

Lance Johnson, an estimator/journeyman electrician with Three Phase Electric in Canby, Ore., was kind enough to send in these photos. “This was all sandwiched between two pieces of plywood,” says Johnson. “A lineman owned this house and performed all this lovely work before the new owners purchased it.”

These pictures show extreme and unsafe ways in which to install any electrical system. It’s obvious the lineman wasn’t aware of the basic rules that require those conductors to be installed in proper raceways, enclosures, and cabinets. The lack of proper grounding and bonding and proper overcurrent protection would fill the page with rules from Articles 110, 200, 240, 250, 300, 310, and so on.

> Try Another Quiz

Want to use this article? Click here for options!

Code Challenge

Code Quiz

Nov 5, 2009 5:24 PM, By Steven Owen

What are the minimum and maximum lengths permitted for the grounding conductor on network-powered broadband communications systems network interface units that contain protectors?...


More Code Quizzes

Code Q&A

Nov 5, 2009 5:30 PM, By Mike Holt

When are tamper-resistant receptacles required?...


More Code Q&As
 


Acceptable Use Policy
blog comments powered by Disqus

what's wrong here?

What's Wrong Here?

Nov 5, 2009 11:50 AM

What's Wrong Here?

Oct 22, 2009 11:16 PM

What's Wrong Here?

Oct 8, 2009 3:32 PM

View all What's Wrong Here?

product of the week

Video camera scopes

November 16, 2009

Video camera scopes

View all 2009 Products of the Week

Recent Comments

More...


EC&M TV

Exterior Fixture Box for Brick or Stone

Installing a fixture box in a brick or stone wall just got easier with Arlington’s new adjustable depth box!

Southwire's 2009 Cable Innovation Road Show

Gain years worth of insight in only 2-1/2 hours with Southwire’s 2009 Cable Innovation Road Show with Grounding Seminar. The agenda is packed with valuable information that focuses on installation tips!

Listen
Sizing Gen-Sets: Facts, Hints, and Good Judgment
Listen

The complexities of today’s commercial or industrial facility, with their equipment environment of linear and nonlinear loads, places a whole new light on sizing engine-generator sets.

Arc Mitigation - A Total System Approach
There’s no question the risk of arc flash hazards is real in the electrical industry. What many don’t always realize is the impact in business interruption from such events typically far outweighs the physical damage to equipment. View this On Demand Webinar!

Implementing an Industrial Ethernet Infrastructure that's Built to Last
This webinar explores the key benefits of implementing a robust complete, end-to-end Industrial Ethernet solution – from cabling and connectivity, to active components and associated hardware. View this On Demand Webinar!

resources

product info icon

product info

tradeshow icon

tradeshow

research icon

research

rss icon

rss

Browse Back Issues

Browse Back Issues