Prefabricated chimneys: Proper installation and precautions reduce risks associated with use
Although people burn wood in a variety of devices to keep their homes warm, most wood-heating fires involve the chimneys that vent the byproducts of combustion to the outdoors. Learn how prefabricated chimneys work, fail and cause fires.

NFPA 921: Proposed changes to next edition could have substantial impact
One of the proposed changes to NFPA 921 is to Section 12-2.4 (Undetermined Fire Cause). The proposed change addresses a situation when no positive evidence of a fire cause can be found yet all potential accidental fire causes have been examined and ruled out. Find out how to respond to this and other proposed changes.

How Hot Does It Get?
The ceramic heater we tested included a number of protective devices and acted fast when it overheated.

Insulation analysis: Cellulose and mineral wool look deceptively alike – but similarity stops there
Before you make any final decisions about fire involving insulation placed too close to heat sources, make sure you know what type of insulation was involved. Cellulose can be confused with rock wool or mineral wool.

Special Report: Panelboard Examinations (Part I)
Determining the cause of a fire involves examining the structure’s electrical load panel, but what do you look for and what does it all mean if you find something amiss? A panel of electrical experts comments and provides useful tips. In this issue, we examine panelboards separated from burned areas.

Part II: Where is the fire information?
Nora H. Jason, Fire Research Information Services (FRIS) manager at the National Institute of Standards and Technology (NIST), fills us in on how to refine your search requests on the World Wide Web.

And, in every issue:
Fast Facts • Something for Nothing • Reviews • In-Court Tips • Product Recalls and Manufacturer Problems • Techniques • Site Surfing