Junction box installation costs $100 to $300 for parts and labor, depending on the installation location, accessibility, and the electrical box size, material, and indoor or outdoor rating. Plastic junction boxes for indoor wiring cost 50% to 80% less than metal boxes but. The average cost to hire an electrician to install or repair light fixtures, outlets, switches, or fans ranges from $141 to $419 with homeowners spending $280 on average. For larger electrical jobs like installing wiring or replacing an electrical panel, expect to pay $2,000 to $6,000. Get free. Buyers usually pay for a standard 4-inch square or single-gang metal box, with basic wiring, often totaling around $60-$180 for the box plus $85-$125 per hour for labor. Cost. Electrical prices average from $150 to install a switch, $200 to install an outlet, $465 to install a lighting fixture. A clear cost estimate helps plan budgets and avoid surprises.
[PDF Version]