For voltages up to 66 kV, what type of cable is generally preferred for 3-phase service?

For voltages up to 66 kV, what type of cable is generally preferred for 3-phase service?

Right Answer is:

Three-core cables

SOLUTION

  • For 3-phase service up to 66 KV, three-core cables are preferred due to economic reasons.
  • These cables are more cost-effective for delivering 3-phase power at medium to high voltages.
  • Three-core cables are more economical for these voltages due to reduced material and installation costs.

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