Sure-Grip Test Leads – Electrical Test Leads The Sure-Grip Test Leads by Greenlee are designed for electrical testing applications compatible with Measurement Categories II, III, and IV, supporting voltage ratings up to 1000 V. These test leads are intended for use with instruments featuring 4 mm shrouded jacks compliant with IEC/UL/CSA 61010 standards. Suitable for electrical distributors and switchgear suppliers, they provide reliable connectivity for measurement tasks in various electrical environments. Specifications Material: Silicone Color: Black Length: 11.000 IN Width: 3.650 IN Height: 1.950 IN Product Weight: 0.3200 lbs Measurement Category: CAT IV 1000 V with caps, CAT II 1000 V without caps Operating Temperature Range: –10 °C to 50 °C (14 °F to 122 °F) Relative Humidity: Up to 80% non-condensing at 31 °C, decreasing to 50% at 50 °C Altitude: Up to 2000 m (6500 ft) Pollution Degree: 3 Country of Origin: Taiwan Manufacturer: Greenlee Manufacturer Part #: 50120344 UPC: 783310120346 Features Compliant with IEC 61010-031, UL 61010-031, and CAN/CSA standards for safety Caps must be in place for CAT III and CAT IV measurements to limit exposed probe tip length to 4 mm Cap removable for CAT I and CAT II measurements Designed for use with instruments having 4 mm shrouded jacks Silicone insulation offers flexibility and durability in electrical testing Suitable for indoor use only Easy to clean with mild detergent and damp cloth; avoid abrasives and solvents Downloads & Links Owners Manual