A professional who performs any combination of following tasks to insulate electric cable. Responsibilities include:

• Moves rubber strips from rubber mill to extruder machine, using handtruck.
• Feeds rubber strips into extruder machine that sheathes cable with rubber insulation.
• Winds adhesive tape around cable ends to waterproof cable during insulation.
• Guides sheathed cable onto takeoff reel as cable emerges from extruder.
• Clamps fittings onto cable ends and lowers reel into autoclave, using hoist.
• Connects air-pressure hoses and clamps autoclave cover in place.
• Turns valves to equalize autoclave pressure to prevent distortion of rubber sheath during curing period.
• Removes reel from autoclave onto payoff spindle of stripping machine.
• Adjusts slitting knife of stripping machine according to thickness of lead sheathed cable and threads cable beneath knife and spreader attachment.
• Feels stripped cable for lumps as cable emerges from stripping machine and removes lumps with sandpaper.
• Keeps log of cable stripped.
• May be known according to task performed as reel tender; spooler and coiler; tuber feeder.