14 CAR § 20-107. Control panel

(a) Timed dosing is the only method for controlling the dose cycles and volumes. (b)(1) Control panels shall be constructed of the following basic components: (A) NEMA 4X-rated enclosure; (B) Motor-start contractors; (C) Separate circuit breakers for pump and panel control; (D) Audio and visual alarms; and (E) Wiring terminals. (2) Optional components range from: (A) Elapsed time meter or counters; (B) Event counters; and (C) Pump run lights.