Insulation Inspector

Inspect and test insulated wires for conformance to specifications.
picture of Insulation Inspector

Quick Stats

Salary Range
$20,000 – $56,000

Data from U.S. Department of Labor

What do Insulation Inspectors do?

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. Attaches weights to cable to test adhesion of insulation to cable. Connects sample to electrical outlet and tests effectiveness of insulation under varying voltages, using such instruments as ohmmeter, wheatstone bridge, and galvanometer. Tests wearability of insulation, using twisting device. Tests breaking strength of wire and cable, using tensile testing machine. Examines and feels surface of braided metal shield surrounding insulation to detect imperfections, and cuts off or interlaces protruding metal strands of shield. Cuts insulation with knife and compares composition of insulation with specifications. Stamps mark of approval or rejection on cable tested.

Should I be an Insulation Inspector?

You should have a high school degree or higher and share these traits:
  • Trustworthy: You are known for your personal integrity and honesty.
  • Team Player: You're able to listen, communicate, and work with tons of different people.
  • Levelheaded: You hold your emotions in check, even in tough situations.

  • Also known as: Alteration Inspector, Impregnation Inspector, Inspector, Insulation

    How to become an Insulation Inspector

    Most Insulation Inspectors have no higher education and get on-the-job training. Think about earning a Certificate or Associate's degree to increase your competitiveness in the field. Chart?chd=s:9zcaaa&chl=no+college+%2869%25%29|certificate+%2828%25%29|associate%27s+%283%25%29|||&cht=p3&chs=466x180&chxr=0,69,69
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