PW Flame Resistant Range

NFPA® 70E electrical safety related work practices for workplaces and requires employees working on or near energized parts and equipment to wear flame resistant clothing that meets the requirements of ASTM F1506. THE TEST NFPA 70E standard provides table 130.7(C)(16) as a guideline for the selection of protective apparel when working within the arc flash boundary. The higher the ARC rating value, the greater the protection. ARC 1 (which is low risk) ARC 4 (which is high risk and requires FR clothing with a minimum arc rating of 40). NFPA 70E ELECTRICAL SAFETY IN THE WORKPLACE

PS54

PS11

FR89

REQUIRED MINIMUM ARC RAT ING OF PPE/CAL/ CM2

ARC RATED PPE

CLOTHING DESCRIPTION

1 ARC: Arc rated FR Shirt and FR pants or FR Coverall 2 ARC: Arc rated FR Shirt and FR pants or FR Coverall 3 ARC: Arc rated FR Shirt and FR pants or FR Coverall, and arc flash suit selected so that the system arc rating meets the required minimum 4 ARC: Arc rated FR Shirt and FR pants or FR Coverall and arc flash suit selected so that the system arc rating meets the required minimum

1 ARC

4

2 ARC

8

3 ARC

25

4 ARC

40

ASTM F1959/F1959M

ASTM F1959/F1959M is the test method for determining the ARC rating of materials for clothing.

A780

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