What is the primary factor that determines the current carrying capacity of a cable?

What is the primary factor that determines the current carrying capacity of a cable?

Right Answer is:

All of the above

SOLUTION

The primary factor that determines the current carrying capacity of a cable are

  • Type of conductors (metal)
  • Type of insulation
  • Cable run in conduit or in open surface
  • Single or three phase circuit
  • Type of protection – coarse or close excess current protection
  • Ambient temperature
  • Number of cables in bunches
  • Length of circuit (permissible voltage drop)

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