In AC.S.R. conductors, the insulation between aluminium and steel conductors is_________?
Correct answer: D. no insulation is required
- A. insulin
- B. bitumen
- C. varnish
- D. no insulation is required
Explanation
In an ACSR conductor, aluminium strands are laid around a galvanised steel core without an insulating layer between them. The two metals must remain electrically connected so they act as one conductor.
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