Section 18 AAC 30.530 - Electrical(a) Lighting fixtures must illuminate all parts of the pool enclosure and the water in the pool. The lighting intensity measured at a point 30 inches above the pool deck must be at least 50 footcandles. If underwater lighting of at least 100 lamp lumens/ft2 is provided, the minimum intensity of the overhead lighting may be reduced to 30 footcandles. Arrangement and design of lighting fixtures must permit lifeguards to clearly see all pool waters, walkways, springboards, and other fixtures. If underwater lighting is used, the lights may not create a hazard to bathers.(b) Pool wiring on the deck, or where exposed to water, must be of the ground fault interruptor type.(c) Booster pumps used with the chlorinator must use pool water from the circulation system. The booster pump must be wired with the circulation pump to prevent feeding chlorine when the circulation pump is not running. A solenoid check valve must be wired into the same system to prevent the flow of water in the chlorine ejection line when the booster pump is not operating.(d) Electrical vacuum pumps must be grounded.Eff. 6/4/83, Register 86; am 12/23/93, Register 128