Protect against electrical outages, surges and spikes with SPD's from Intermatic. The AG Series Surge Protective Device (SPD) is designed for a variety of Type 1 and Type 2 applications. Type 1 applications include outdoor installations before service entrances and utility meter cabinets. Type 2 applications include installations after service entrances. CSA listed to ANSI/UL1449 3rd edition, the AG series is approved for outdoor applications including: irrigation equipment, farm equipment, pumps, lighting fixtures, traffic signaling devices, HVACR controls, and motors.