Practice question

When installing conduit sweeps (elbows) at the base of a traffic signal pole foundation, what is the minimum bend radius typically required?

  1. Equal to the conduit diameter
  2. 3 times the conduit diameter
  3. 6 times the conduit trade size per NEC requirements
  4. No minimum radius applies

Answer: C — 6 times the conduit trade size per NEC requirements

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