“Assistant” means a person who works under the direct supervision of an operator, but who is not involved in the use, mixing, device wiring to any system already connected to a firing control system or mechanism, testing, discharging, firing, or rendering safe of any pyrotechnic effect, special effect, flame effect, device, or equipment.

Source. (See Revision Note at Chapter Heading for Saf-C 6900) #10067, eff 12-29-11, EXPIRED: 12-29-21 New. #13426, eff 8-3-22