Fill in the blanks with the correct answers.

When installing the required branch circuit for an electric sign or outline lighting in a commercial building — including each occupancy, which has access to pedestrians — at least one outlet shall be supplied by a branch circuit that has a minimum rating of _______. The branch circuit shall also be considered to be a ___________.

  1. 20A; continuous load.
  2. 30A; non-continuous load.
  3. 15A; non-essential load.
  4. There is no specific requirement for a commercial building or occupancy.


Answer: A

As per 600.5, when installing the required branch circuit for an electric sign or outline lighting in a commercial building — including each occupancy space that has access to pedestrians — at least one outlet shall be supplied by a branch circuit that has a minimum rating of 20A. The branch circuit shall supply no other loads and shall also be considered to be a continuous load.

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.