14.82 mm (0.562 in) center spacing Accepts wire gauges from 10 to 22 AWG Cu #8-32 Phillips slotted zinc-plated steel terminal screws Recommended torque: 16 in-lb. Tough, corrosion-resistant screws, surface plates, and optional hardware Durable thermoplastic polyester base (UL 94V-0 Listed) UL Listed (E82048) and CSA Certified (LR15364) IDEAL terminal blocks are designed and manufactured to be tough, reliable, and easy to use. A thermoplastic base and corrosion-resistant screws and hardware provide extended life. Optional accessories offer convenient and versatile application. Available in a wide variety of circuit configurations, electrical ratings, and center spacings, there is an IDEAL terminal block for virtually any job.