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Job Description:

  • 1) Inspects and tests insulated wire and cable for conformance to specifications, using testing instruments, inspection manuals, and blueprints: Measures diameter, wall thickness, concentricity of insulation, and thickness of wire or cable, using microscope, pin gauges, and micrometer.

  • 2) Attaches weights to cable to test adhesion of insulation to cable.

  • 3) Connects sample to electrical outlet and tests effectiveness of insulation under varying voltages, using such instruments as ohmmeter, wheatstone bridge, and galvanometer.

  • 4) Tests wearability of insulation, using twisting device.

  • 5) Tests breaking strength of wire and cable, using tensile testing machine.

  • 6) Examines and feels surface of braided metal shield surrounding insulation to detect imperfections, and cuts off or interlaces protruding metal strands of shield.

  • 7) Cuts insulation with knife and compares composition of insulation with specifications.

  • 8) Stamps mark of approval or rejection on cable tested.




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End Of Job Description for: "INSPECTOR, INSULATION"
DOT:   691.387-010

Job Number: 5262