The N7700 Series locking-type photoelectric controls are designed to meet electric utility stringent requirements for roadway lighting. These photoelectric controls have provided more hours of dependable operation than any other photocontrol. Conservatively rated for 5000 operations (13 years) on loads of 1800VA, the N7700 Series is the industry standard. The N7760 unit is a low-cost, highly reliable 120 V control. A wide, crosslinked polyethylene gasket assures weatherproof sealing with the luminaire socket.