What's New |
As per the recently published National Electrical Safety Code (NESC), all the employers are required to perform an arc flash assessment by January 1, 2009.
NESC, ANSI C2-2007, Section 410.A.3:
“Effective as of January 1, 2009, the employer shall ensure that an assessment is performed to determine potential exposure to an electric arc for employees who work on or near energized parts or equipment. If the assessment determines a potential employee exposure greater than 2cal/cm2 exists (see Neal, Bingham, and Doughty [B59]), the employer shall require employees to wear clothing or a clothing system that has an effective arc rating not less than the anticipated level of arc energy.”
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NEW RELEASE - IEEE 1584a - Amendment 1 - IEEE Guide for
Performing Arc-Flash Hazard Calculations
This first Amendment addresses the following changes:
5. Model for incident energy calculations
5.2 Arcing current
5.6 Current limiting fuses
5.7 Low-voltage circuit breakers
7. Comparison of arc-flash calculation methods
7.1 Table methods in NFPA 70E -2004
Order your copy today from the
AVO Technical Resource Center
to learn about these changes or call 1-877-594-3156, Extension 3526.
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about arc flash analysis that you'll find useful. |
