The term 'Set Electrician' is a job title in the film and television industry. A Set Electrician is responsible for the installation, maintenance, and repair of all electrical equipment on a set. The crossword solution for this term is 'GAFFER', which is a slang term for a Set Electrician. GAFFER is derived from the old English word 'GAFF' meaning 'a tool used to hold a light'. This term is still used today to refer to a Set Electrician.