An alloy electrician is a professional who works with metal alloys and electrical wiring. The job requires knowledge of the properties of different metals and how to safely work with electricity. A GAFFER is a six-letter term for an experienced electrician who is responsible for the overall electrical systems on a film set. An ohm is a three-letter term for the unit of electrical resistance in a circuit. A wirer is a five-letter term for someone who installs and repairs electrical wiring. Finally, a WIRE is a four-letter term for an electrical conductor used to carry an electric current.