**Approvals:** Recognized under the Components Program of Underwriters Laboratories and Certified by CSA. **Specifications. Electrical:** Rated at 20 amperes at lamp voltage as shown below. Dielectric withstanding voltage exceeds 1500 volts. All fuseholders are supplied with a resistor. When designing indicating type fuseholders into a circuit, consideration should be given to the resistance of fractional amperage fuses and the parallel resistance of the indicator lamp and its resistor. **Mounting:** Withstands 15 in.-lb. mounting torque. Maximum panel thickness is 0.250". **Molded Parts:** Black thermoplastic (UL 94 V0), except lens is thermoplastic (UL 94 V2). See Table below for lens color. **Knob:** Bayonet style. **Terminals:** Copper and copper alloy. Tin-plated. **Ambient Temperature:** –40°C to +85°C. **Hardware:** Neoprene washer, lockwasher and hex nut unassembled.