Commercial Electrician Responsibilities : Assemble, install, test, and maintain electrical or electronic wiring, equipment, appliances, apparatus, and fixtures, using hand tools and power tools.Work from ladders, scaffolds, and roofs to install, maintain or repair electrical wiring, equipment, and fixtures.Run conduit (pipes or tubing) inside designated partitions, walls, or other concealed areas, and pull insulated wires or cables through the co...