In This Issue
Vol. 17 No. 4 (Fall 2009)
Page 1 News
It’s easy to blame overcurrent for causing fires. While it does cause fires, it’s just as important to understand the safety measures aimed at preventing overcurrent so you can make accurate determinations. Staff engineer Nathan Dwyer explains electrical current and how to evaluate conductors, cabling, loads and circuit protection.
Special Report: Water heaters revisited
When Editor Jack Sanderson wrote about water heaters 17 years ago, we couldn’t predict how much they would change. Get updated about flammable vapor ignition resistant (FVIR) technology and other safety measures introduced in recent years. Learn why “proving the flame” is still vital and pick up some investigation tips.
That tiny bit or piece might be part of a ‘piggyback plug’
One of the more confusing electrical bits and pieces you find at a fire scene is a plug blade – especially when it doesn’t seem to connect to anything. It just could be part of a “piggyback plug,” a plug whose backside may have another plug connected to it.
Challenges are many when investigating garage fires
Garage fires are some of the toughest to investigate. Everything’s unpredictable – from inconsistent building materials to random floor plans to the multitude of contents stashed inside. Plus, there are probably more fire-related product recalls associated with garages than any other room. Don’t miss this informative rundown.
And, in every issue:
Fast Facts • Something for Nothing • Reviews • In-Court Tips • Product Recalls and Manufacturer Problems • Techniques • Site Surfing
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