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EXPLOSIONS CALLED 'AN EPIDEMIC'

as reported by Juniper Rose of the Sacramento Bee newspaper.

Explosions, fires and hospitalizations stemming from homemade hash oil operations have led to a spike in prosecutions of hash oil manufacturers.

Read the full article here 

Report Receipt Date: JUN 30, 2014 
NHTSA Campaign Number: 14V381000 SUMMARY:

Nova Bus is recalling certain model year 2010-2014 LFS transit buses manufactured June 2010 to June 2014. In the affected vehicles, the terminal on the postive alternator cable may fracture causing the cable to arc to other components.

See the details at NHTSA

Recall Date: August 14, 2014
Recall Number: 14-256

Description:

This recall involves Vornado VH110 Whole Room Vortex electric space heaters sold in two colors, black and white.  The heaters measure about 10.5 inches high, 9 inches deep and 10.5 inches at the base growing narrower at the top.  The on/off switch and the high/low heat settings are located on top of the unit.  The Vornado logo appears with a gray “V” on the front of the unit. Recalled heaters have the numbers 1 and 3 as the fourth and fifth digits of the serial number.  The model and serial numbers appear on a silver decal located on the bottom of the unit.

See the complete details at CPSC

 

In the new issue of NFPA Journal®, President Jim Shannon said the Association will focus on the leading causes of home fires, including cooking. "We also need to continue to push hard for home fire sprinklers. That's still a large priority for NFPA, and we plan to work very aggressively in 2014 on our residential sprinkler initiative," he said.

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ABSTRACT

Many times, a fire investigator will conclude that a device was electrically energized at the time of a fire based on the presence of a bead on a wire.  If an energized device is present in the area of origin, it is likely that it will be considered as a potential cause of a fire.  Some training guides put forth that beads can only be formed from arcing on wires that were electrically energized when they were exposed to a fire or caused a fire.  Therefore, the presence or absence of a bead on a wire can have a strong influence on the direction of a fire investigation.  Hence, it is important to have a clear understanding of the various electrical and thermal conditions which can produce beads on electrical wires.

The main objective of this research was to determine, experimentally, if distinguishing characteristics exist between energized and non-energized wires subjected to various types of fire exposures.  The large majority of research published in the literature has not tested energized and non-energized wires under the same conditions.  A total of more than 190 wires were tested under various fire conditions.  Wire types included 12-gauge and 14-gauge solid conductors and 16-gauge and 18-gauge stranded conductors.  The tests were conducted using a bench-scale, premixed flame impingement apparatus, a bench-scale 125 kW/m2 radiant tunnel apparatus, a 2/5-scale flashover compartment, and a full-scale flashover compartment.  The use of various types of exposure conditions ensured that the characteristics on the wires (or lack thereof) were not caused by one specific type of thermal insult.  Wires were tested in both an energized and non-energized state.  Energized wires were tested under “load” and “no load” conditions.  Under load conditions, the energized wires were plugged into a 110-120 volt power source with 9 to 13 amps of current.  Under “no load” conditions, the wires were plugged into the power supply, but no current was flowing in the circuit. 

Click here to read the full article

Recall Date: August 7, 2014
Recall Number: 14-252

Description:

This recall involves lighted night stands sold in three different styles and finishes. The night stands are made of wood, have two drawers, a power strip on the back panel and a 20 watt halogen bulb on the underside of the bottom panel. Recalled models include: 244-421 Willow Run in a toffee finish, 245-421 Willow Run in a white finish and 237-420 Americana in a medium oak finish.  They measure about 22 inches wide, 16 inches deep and 27 inches high. “Lea” and the model number are printed on a label on the back of the night stands. There are two touch buttons on either side of the side panels which operate the nightstand’s lamp.

See full article at CPSC

November 10-12, 2014 Training Seminar

CCAI Training Seminar November 10 - 12, 2014 
Click here for the registration form
Click here for Hotel Information
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Wind Driven Fires

Wind blowing into the broken window of a room on fire can turn a "routine room and contents fire" into a floor-to-ceiling firestorm. Historically, this has led to a significant number of firefighter fatalities and injuries, particularly in high-rise buildings where the fire must be fought from the interior of the structure.

Wind-Driven Fire in a Ranch-Style House in Texas, 2009

On April 12, 2009, a fire in a one-story ranch home in Texas claimed the lives of two fire fighters.  Sustained high winds occurred during the incident.  The winds caused a rapid change in the dynamics of the fire after the failure of a large section of glass in the rear of the house.

Wind Driven Fire in Home, Texas, 2009. Aerial view of damage to the structure. Photo credit: Houston Fire Department.

Wind Driven Fire in Home, Texas, 2009. Aerial view of damage to the structure. Photo credit: Houston Fire Department.

NIST performed computer simulations of the fire using the Fire Dynamic Simulator (FDS)  and Smokeview, a visualization tool, to provide insight on the fire development and thermal conditions that may have existed in the residence during the fire.

Read more...

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