Janesville, Wisconsin

Professional Electrical Solutions You Can Depend On

Residential, commercial, and industrial electrical installation, maintenance, repair, and modernization services in Janesville and throughout the surrounding Wisconsin region.

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Phone +1 (608) 501-9270
Email John@Johnelectricalcontractors.com
Address 1129 Macarthur Dr, Janesville, WI 53548
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About John Electrical

Wisconsin's Trusted Electrical Contractor

John Electrical Contractors LLC is a Wisconsin-based electrical contracting company providing professional electrical services for residential, commercial, and industrial clients. We specialize in the installation, maintenance, repair, and modernization of electrical systems, delivering safe, reliable, and code-compliant solutions tailored to each project's requirements.

Headquartered in Janesville, Wisconsin, we proudly serve clients throughout the region with reliable electrical solutions that help power homes, businesses, and industrial operations.

  • Safe, code-compliant electrical installations
  • Residential, commercial, and industrial service
  • Skilled professionals and high-quality materials
  • Efficient project management from start to finish
  • Committed to safety, integrity, and customer satisfaction
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Professional electrician in hard hat performing electrical work
What We Do

Our Electrical Services

From routine maintenance to complex industrial installations, John Electrical Contractors LLC delivers professional electrical solutions throughout Wisconsin.

Residential Electrical

Complete electrical services for homes — installations, upgrades, troubleshooting, and repairs for your residence.

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Commercial Electrical

Professional electrical services for offices, retail, and commercial properties — from new installations to upgrades.

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Industrial Electrical

Industrial electrical installations, system maintenance, equipment connections, and power distribution support.

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Service Panel Upgrades

Upgrade your electrical panel to meet modern demands safely. Essential for older homes, new additions, and high-demand equipment.

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Lighting Installation

Interior and exterior lighting design and installation including energy-efficient LED upgrades for homes and businesses.

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Electrical Troubleshooting & Repairs

Diagnosis and repair of electrical faults, circuit issues, tripping breakers, and wiring problems throughout your property.

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Generator Installation

Standby and portable generator installation and connection to ensure your home or business stays powered during outages.

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New Construction Wiring

Complete electrical wiring for new construction projects — residential and commercial builds from ground up.

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Preventive Maintenance

Scheduled electrical inspections and preventive maintenance to extend system life and prevent costly failures.

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Energy-Efficient Upgrades

LED lighting upgrades and energy-efficient electrical improvements to reduce consumption and lower utility bills.

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Renovation Wiring

Electrical wiring for home and commercial renovations, additions, and remodeling projects — done right the first time.

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Outlet & Switch Installation

Installation and replacement of outlets, switches, GFCI protection, USB outlets, and smart home devices.

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Our Process

3 Simple Steps to Get Started

Getting your electrical project started is easy. Contact us today and we'll guide you through every step.

1

Contact Us

Reach out by phone, email, or through our online form. Describe your electrical need and we'll respond promptly.

2

Get a Quote

We'll review your project requirements and provide a clear, detailed quote so you understand exactly what to expect.

3

Work Completed

Our skilled electricians complete your project safely, efficiently, and to Wisconsin electrical code standards.

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Why John Electrical

Built on Safety, Integrity & Quality

At John Electrical Contractors LLC, safety, integrity, and customer satisfaction are at the core of everything we do.

Safety First

Every project is completed to the highest safety standards and in compliance with Wisconsin electrical codes.

Quality Workmanship

We use high-quality materials and employ skilled professionals who take pride in their work on every project.

Customer Focused

We listen to your needs, communicate clearly, and ensure your complete satisfaction from first contact to project completion.

Wisconsin Expertise

We have deep knowledge of Wisconsin electrical codes and serve the Janesville region and surrounding communities.

Code-Compliant Work

All installations and repairs meet applicable Wisconsin electrical codes and industry standards for your protection.

Efficient Project Management

We plan, coordinate, and execute projects efficiently to minimize disruption and complete work on schedule.

Ready to Get Your Electrical Project Started?

Contact John Electrical Contractors LLC today for a consultation and free quote.

Request Service (608) 501-9270