Page 46 - Best Practice for Construction Projects

Arc-flash PPE

• Arc Flash Boundary could be larger or smaller

than the other boundaries.
• Cal/cm2 is used in arc flash calculation to
4. Personal Protective Equipment
determine the rating of flame resistant (FR)
clothing.

• The higher the cal/cm2 value, the heavier

(thicker) the FR clothing.
• Non-conductive safety glasses and/or arc rated
face shield is required.

• Store PPE safely to avoid damage. All PPE must Arc Flash results are posted as labels
be inspected prior to use. on electrical panels/equipment to
illustrate:- ARC FLASH PPE required
• If a Buddy is within the Arc Flash Boundary, they
must wear the appropriate PPE for that hazard to be worn by workers.
category.

• Electrical work with an Arc Flash Hazard greater
than 40 cal/cm2 is not allowed.

• ALL ARC FLASH PPE MUST BE CE MARKED &
COMPLY TO THE RELEVANT EN STANDARD.

• No panels displaying arc flash labels are to
be opened unless permit is in place and
suitable Arc Flash PPE worn. If in doubt STOP

and check.

2 Visual Standards | Feb. 2019