A comprehensive range of residential, commercial, and industrial electrical services for clients throughout the Janesville, Wisconsin region.
John Electrical Contractors LLC provides a full range of electrical services for residential, commercial, and industrial clients throughout Wisconsin.
Complete electrical services for homes — installations, panel upgrades, lighting, outlets, and troubleshooting.
Learn More →Office and retail electrical work, tenant improvements, lighting systems, and preventive maintenance.
Learn More →Industrial installations, system maintenance, troubleshooting, equipment connections, and power distribution.
Learn More →Upgrade your electrical panel to safely meet modern power demands for your home or business.
Learn More →Interior and exterior lighting design and installation including energy-efficient LED upgrades.
Learn More →Diagnosis and repair of electrical faults, circuit issues, tripping breakers, and wiring problems.
Learn More →Standby and portable generator installation and connection to keep you powered during outages.
Learn More →Complete electrical wiring for new construction projects — residential and commercial builds.
Learn More →Scheduled electrical inspections and preventive maintenance to extend system life and prevent failures.
Learn More →LED lighting and energy-efficient upgrades to reduce consumption and lower your utility bills.
Learn More →Installation and replacement of outlets, switches, GFCI protection, and USB charging outlets.
Learn More →Electrical wiring for home and commercial renovations and remodeling projects throughout Wisconsin.
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