In general, without exception, the main disconnecting means for an electrically driven or controlled irrigation machine shall meet which of the following requirements?

  1. provide overcurrent protection
  2. be located at the point of connection of electric power to the irrigation machine, or be visible and not more than 50 ft from the irrigation machine
  3. be readily accessible
  4. be capable of being locked in the open position
  5. all of the requirements noted in answers a, b, c and d above

Answer: E

The main disconnecting means requirements for electrically driven or controlled irrigation machines are listed in Section 675.8(B) of the 2011 NEC. In general, without exception, the main disconnecting means for an electrically driven or controlled irrigation machine provide overcurrent protection, be located at the point of connection of electric power to the irrigation machine, or be visible and not more than 50 ft from the irrigation machine, and shall be readily accessible and capable of being locked in the open position.

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.