What are the conditions that would allow the use of short radius conduit bodies such as capped elbows and service-entrance elbows, per 314.16?

  1. Conductor size must be 6 AWG or smaller.
  2. The conduit bodies are only intended to enable the installation of the raceway.
  3. The conduit bodies shall not contain splices, taps or devices.
  4. The conduit body shall be of sufficient size to provide free space for all conductors enclosed in the conduit body.
  5. All of the above.


Answer: E

As noted in 314.16(C)(3), "Conduit bodies such as capped elbows and service-entrance elbows that enclose conductors 6 AWG or smaller, and are only intended to enable the installation of the raceway and the contained conductors, shall not contain splices, taps, or devices and shall be sufficient size to provide free space for all conductors enclosed in the conduit."

Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at necexpert@aol.com.