3M 2520 Cambric Electrical Tape
Model NED-16239
Insulate bus bars, service drops and motor leads. Splice and insulate wires up to 69,000V. Handles temperatures from 0° to 105°C (32° to 220°F). Resists moisture, abrasion, puncture, oil and solvents. Varnish-coated cotton with pressure-sensitive rubber adhesive.