Greenville's trusted source for licensed electrical services — from outlet repairs to full panel upgrades, done right the first time.
Whether it's a simple outlet repair or a complex commercial build-out, our electricians deliver professional results every time.
Charge your electric vehicle overnight at home and wake up with a full battery every morning. A Level 2 charger delivers up to 10x faster charging than a standard outlet.
Improve airflow and cut energy costs year-round with a new ceiling fan. Proper installation ensures wobble-free operation and maximum efficiency in every room.
We run Cat6 or coax cable from each camera location to your DVR or NVR, mount cameras at optimal angles, install weatherproof junction boxes, and power everything through a centralized system.
Keep your home powered through any outage with a professionally installed backup generator. Enjoy uninterrupted comfort and security when the grid goes down.
A faulty circuit breaker that trips constantly or will not reset leaves your home without power and at risk. Fast professional repair restores reliable power and eliminates a potential fire hazard.
We remove old fixtures, upgrade the electrical box if needed, connect and mount the new fixture securely, and test dimmer compatibility so your lights perform exactly as expected.
Overloaded outlets and daisy-chained power strips are leading causes of electrical fires. We install dedicated circuits with proper grounding and tamper-resistant receptacles to keep your family safe.
We design a custom layout, install a weatherproof transformer, run buried low-voltage cable to each fixture location, and program timers or photocells for effortless automated operation.
See who is at your door from anywhere with a professionally installed Ring doorbell. Get reliable motion alerts and crystal-clear video without the DIY frustration.
Aging panels with Federal Pacific, Zinsco, or fuse-based systems are documented fire hazards. Our licensed electricians replace them with UL-listed equipment that meets current NEC safety standards.
We install a dedicated 240V circuit from your panel to the equipment pad, wire the GFCI disconnect within sight of the unit, bond all metal components, and verify ground fault protection.
We map out fixture placement for optimal light coverage, cut precise ceiling openings, run new circuits as needed, and install IC-rated housings that are safe for insulated ceilings.
Battery-only smoke detectors fail when batteries die. Our electricians install hardwired units with sealed backup batteries per current code, ensuring your family is protected around the clock.
We install hardwired CO detectors at code-required locations near bedrooms and fuel-burning appliances, interconnect them with your smoke alarm system, and verify operation with professional testing equipment.
Electrical problems often hide behind walls where they quietly worsen. Our licensed electricians follow a systematic diagnostic process to find issues before they become fire hazards or safety threats.
Our electricians diagnose the root cause of the problem, explain the repair before starting, fix the issue with commercial-grade materials, and test the circuit to confirm a lasting solution.
An electrical inspection reveals hidden hazards, code violations, and aging components before they cause problems. Protect your investment whether you are buying, selling, or simply maintaining your home.
Modern wiring supports today is power demands, eliminates flickering lights and tripped breakers, and dramatically reduces fire risk in older homes. Rewiring is one of the best investments you can make.
Power surges destroy electronics, damage appliance control boards, and can even start fires. Our electricians install UL-listed surge protectors with proper grounding to defend your entire electrical system.
Minimize downtime and keep your business running with commercial electrical services designed for offices, retail spaces, warehouses, and restaurants. Reliable power protects your revenue and your reputation.
We install smart switches, dimmers, and outlets that work with your existing Wi-Fi network, set up automation routines, and ensure every device has the neutral wire and load capacity it requires.
Electrical installations done without permits or by unlicensed workers put your family at risk and can void your insurance. Our licensed electricians deliver code-compliant, inspected work on every job.
We carefully remove aluminum branch circuit wiring, pull new copper conductors through your existing pathways, terminate every connection at outlets, switches, and the panel, and restore your walls.
Founded by a U.S. Navy veteran with nuclear power training and over 37 years of hands-on electrical experience, JJC Electric brings military-grade precision to every project in Greenville, IL. In a city where your electrician is also your neighbor, we take that responsibility seriously — delivering meticulous workmanship, honest pricing, and electrical systems built to last decades.
From panel upgrades to whole-house rewiring, our crews treat every Greenville home with the same discipline and attention to detail that defined our founder's Navy career. We show up on time, explain every finding in plain language, and leave your property cleaner than we found it. That veteran commitment to doing things right is why Greenville property owners trust JJC Electric with their electrical needs.
What sets JJC Electric apart from other electrical contractors — quality, safety, and service you can count on.
Our electricians treat your home like their own — shoe covers, drop cloths, and a thorough cleanup before we leave. Your property stays spotless.
Every job is backed by a written workmanship warranty. If any issue arises with our work, we make it right at no additional cost.
Over three decades of hands-on electrical experience across residential, commercial, and industrial projects — from simple outlet repairs to complex panel upgrades.
Detailed written estimates before any work begins. No hidden fees, no surprise charges, no upselling — just honest pricing for honest work.
Every project meets or exceeds current National Electrical Code standards. Our technicians maintain ongoing NEC continuing education with each code cycle.
Get the facts on electrical service, pricing, licensing, and what sets a professional electrician apart.
Yes. JJC Electric handles all electrical permits and inspections required by Greenville and Illinois building codes. Permitted work protects your investment, maintains your insurance coverage, and ensures everything is done to current National Electrical Code standards.
We recommend an electrical inspection every 3 to 5 years for Greenville homes, or immediately if you are buying a home, noticing flickering lights, or experiencing frequent breaker trips. Homes in Greenville built before 1980 should be inspected for outdated wiring, aluminum connections, and undersized panels.
Every job JJC Electric performs in Greenville, IL meets or exceeds the current National Electrical Code and all local amendments. We stay current on Illinois code changes and pull permits to ensure your work passes inspection the first time.
Absolutely. Lightning strikes and power grid fluctuations are common in Greenville, and a single surge can destroy thousands of dollars in electronics and appliances. A whole-house surge protector installed at your panel by JJC Electric guards every circuit in your Greenville home for a fraction of the replacement cost.
Yes. Electrical work in Greenville requires a licensed electrician to meet Illinois and local code requirements. Unlicensed wiring is a fire hazard, voids insurance, and will fail inspection. JJC Electric provides fully licensed, insured electricians for every job in Greenville — residential and commercial.
Yes. JJC Electric designs and installs landscape lighting, security lighting, deck and patio lighting, and pathway fixtures for Greenville properties. We use weatherproof wiring, GFCI protection, and LED fixtures rated for Illinois climate conditions to ensure safety and longevity.
Real feedback from homeowners and business owners who trust us with their electrical systems.
"Our 1970s fuse box was long overdue for an upgrade. JJC Electric replaced it with a modern 200-amp breaker panel. They labeled every circuit, replaced the meter base, and passed inspection on the first try. Should have done this years ago."
"JJC Electric wired our new hot tub with a dedicated 50-amp GFCI circuit and installed the disconnect switch exactly where the inspector wanted it. Passed inspection first try. Professional and by the book."
"Our aluminum wiring was flagged by the insurance company. JJC Electric replaced every connection in the house with copper pigtails and installed AFCI breakers. Insurance company accepted the work and renewed our policy. Huge relief."
We serve communities throughout the region with the same quality electrical service and professional standards.