Take the Maintenance Technician Test Quiz and Prove Your Expertise

Take the Maintenance Technician Test Quiz and Prove Your Expertise

In electrical systems, what color wire usually means it's for grounding?

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Correct Incorrect Grounding conductors use green or green with yellow stripes on their insulation to clearly separate them from other wires for safety. This color coding helps avoid accidental contact with live parts and is specified in many electrical standards.

In electrical systems, what color wire usually means it's for grounding?

  • Black
  • Red
  • Green or green with yellow stripe
  • White
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