Caution Occupational

Occupational Threshold RF Notice: Use this 14" x 10" RF Safety Caution sign to inform people that it is possible to exceed the occupational exposure threshold within the envelope of the sign. "RFSigns' Envelope Method™ identifies the secure area around a space that contains an exposure threshold. This secure area is the envelope for that threshold exposure potential. Entrances and points of access to the envelope should be marked with the appropriate hazard level (Notice/Caution/Warning/Danger).