What you do in the job?
You may have been wondering about this one! A term used in the film world, for the main assistant to the lighting electrician or Gaffer. See Electrician, Sparks
What qualities are required?
Qualified and experienced electrician, with plenty of film location or theatre experience as a junior. Knowledge of safety requirements.
How you start and where you can go with it?
Start as a runner or junior electrician and work you way up through the ranks by getting on with people and doing a good job.