S A F E T Y M O D E L S TAG E 1 — r E C O G N I Z I N G H A Z A r D S
To protect against burns, there’s one more boundary: The flash pro- tection boundary is where you need PPE to prevent incurable burns, if there’s an arc flash.
Flash Protection Boundary For Live Parts For 300–600 Volts
Flash Protection Boundary 4 ft.
Power source ➔
❚ Overhead powerlines kill many workers!
Keep outside the flash protection boundary
Photo from Fluke Corporation "Electrical Safety Video" by Franny Olshefski (reprinted in IBEW Local 26 Newsletter May 2005)