e-Hazard Blog

by , on November 27, 2013
By Lee Hale, e-Hazard Consultant A reader posed this question: In the energized state the fused switch has an arc flash rating of “dangerous.”   My question is:   If the fusible bus plug is placed in the OFF position, can the door to the bus plug be opened and the fuses replaced without turning off power...
by , on November 24, 2013
Accident Investigation report on the July 30, 2013, fatality of a Wilson Construction Company crew foreman who was preparing to remove a jumper from a sectionalizing disconnect switch on the Bandon-Rogue No. 1 115kV line.  This incident investigation is public record from BPA and is offered to give insight into incidents.  Notes from e-Hazard.com Electrical...
by , on November 23, 2013
International arc flash expert, Hugh Hoagland of e-Hazard headlined the 2013 IDC Electrical Arc Flash Conference held in Auckland, New Zealand on October 22nd and 23rd. Hoagland spoke on “Electrical Safety: More Than Arc Flash”. The 2 day event was attended by participants from several companies including  Newmont Wahi Gold, Mighty River Power, New Zealand...
by , on November 22, 2013
SAN FRANCISCO (Reuters) – Classes were cancelled after an underground electrical vault exploded, injuring several people and prompting a campus evacuation. The explosion and power outage occurred on the north side of one of the campus buildings, California Hall according to school officials. Minor injuries were reported as well as a group of about 20...
by , on November 21, 2013
Take a look at The CBAnalyzertm system; a circuit breaker testing methodology that utilizes vibration analysis combined with internet data transfer and sophisticated condition based analysis to determine the condition of all types of circuit breakers. Some of the benefits of using The CBAnalyzertm system: Simple operation requiring minimal training Utilizes your iPhone or iPod...
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