Assessing the Limitations of Arc Flash Hazard Tables
Electrical Line, July/August 2008
It's important to understand the Hazard/Risk Category levels listed in NFPA 70E, but it's just as important to understand the limitations of these tables. If these limitations aren't considered, you may be jeopardizing the safety of electrical workers.
(438 KB)

Assessing Low-Voltage Arc Hazards
Electrical Source, June 2008
Arc flash safety is an integral part of any workplace safety program. This article explains how arc flash software is essential to identifying and analyzing high-risk arc flash areas, so you can help keep your electrical staff safer.
(980 KB)

Evaluating NFPA 70E Arc Flash Hazard Category Tables
Electrical Products & Solutions, September 2007
The purpose of this article is to help shed some light into the assumptions and generalizations utilized by the NFPA 70E Table 130.7(C)(9)(a) and to describe its limitations and shortcomings which may lead to an improper selection of the Personal Protective Equipment (PPE) required for the task.
(511 Kb)

Evaluating the Hazards of Low-Voltage Arcs
Electrical Products & Solutions, June 2007
This article discusses methods available for calculating the incident energy released by an arc fault in low-voltage equipment. It also presents considerations which should be made to determine the worst-possible hazard associated with energized work at different locations of the equipment. In addition, it covers methods to reduce the hazard level like maintenance mode settings and arc flash sensor relays. 
(1.16 MB)

Industry Focus: ETAP/Operation Technology, Inc.
Wind Today, Q4 2006
Power engineers are using ETAP to model wind turbine generators, model turbine and controller characteristics for dynamic stability analysis, and calculate megawatts (MW) and reactive power generation based on wind speed and turbine characteristics.
(20 MB)