On a film crew, the first assistant electrician, who answers directly to the Gaffer.
In films, the assistant to the Electrician.
The assistant to the Chief Electrician, or Head Gaffer.
Chief assistant, usually of the gaffer, but more often lately used as a general term for the second in command of a group.
See FIRST ASSISTANT ELECTRICIAN
Assistant to the electrician on the set.
The assistant gaffer or the assistant to the key grip. They are responsible for the routing and coiling of power cables necessary to run the lights for a shot.
The assistant chief lighting technician or second electrician. The term is generally used only in film and television.
A lighting technician - usually the second in command of the lighting unit. The Best Boy assists the Gaffer.
The head electrician responsible for getting power to the set. Reports to the gaffer.
Best Boy is a 1979 documentary made by Ira Wohl. The film achieved high critical acclaim, and won many awards including the Academy Award for Best Documentary in 1979.