Derry's trusted source for licensed electrical services — from outlet repairs to full panel upgrades, done right the first time.
From panel upgrades to EV charger installation, our licensed electricians handle every residential and commercial electrical need.
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.
EV chargers draw significant power and require proper circuit protection. Our licensed electricians ensure your installation meets NEC code, manufacturer specs, and local requirements.
Stop guessing why your power is acting up. Professional electrical troubleshooting pinpoints hidden problems fast, saving you time and preventing damage to your home and devices.
Breakers that trip repeatedly are warning you of a serious problem. Forcing them back on risks fire or electrocution. Our electricians safely diagnose whether the issue is the breaker, the wiring, or an overload.
Homes built before 1980 often have degraded insulation, undersized circuits, or knob-and-tube wiring that insurance companies flag as unacceptable. Our licensed electricians bring your wiring up to current NEC standards.
From flickering lights and dead outlets to tripping breakers and buzzing switches, fast electrical repairs restore your home to safe, reliable operation and give you peace of mind.
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.
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.
Recessed lighting installed too close to insulation or with incorrect housings is a fire risk. Our electricians use only IC-rated, airtight fixtures and verify every connection for safe operation.
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.
An upgraded electrical panel supports modern power demands, prevents tripped breakers, and can increase your home value. Stop managing an overloaded system and power your home with confidence.
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.
Improper doorbell wiring can damage your transformer or void your warranty. Our electricians verify voltage, test connections, and ensure your Ring operates safely and reliably.
Our licensed electricians handle every step of your generator install, from sizing the unit and pouring the pad to wiring the automatic transfer switch and final testing.
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.
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.
Professionally wired security cameras deliver reliable 24/7 recording without Wi-Fi dropouts or battery hassles. Protect your home and family with a surveillance system you can count on.
Add outlets exactly where you need them and eliminate extension cord clutter. New outlets improve convenience, reduce fire hazards, and increase your home value.
Heavy chandeliers, track lighting, and pendant fixtures require properly rated electrical boxes and secure mounting. Our electricians ensure every installation is safe, level, and wired correctly.
We handle tenant improvements, lighting retrofits, panel upgrades, dedicated equipment circuits, emergency power systems, and code compliance upgrades for commercial and industrial spaces.
We review your project requirements, pull necessary permits, install wiring and devices using commercial-grade materials, and schedule the final inspection to close out the permit properly.
Enjoy your pool or hot tub with confidence knowing the electrical system was installed safely by a licensed professional. Proper wiring prevents shock hazards and protects your family every time you swim.
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.
JJC Electric is trusted by property owners throughout Derry (pop. 34,156) because we treat every customer the way we would want to be treated — with honesty, respect, and electrical work that actually solves the problem. No inflated estimates designed to scare you into unnecessary upgrades, and no disappearing after the invoice is paid. We are here for the long term.
Our commitment to the Derry community extends beyond electrical work. We hire locally, keep our prices fair for New Hampshire families, and provide free safety consultations for seniors and veterans in the Derry area. When your lights flicker, your breakers trip, or you need a panel upgrade for a growing family, choose the company that Derry already trusts.
What sets JJC Electric apart from other electrical contractors — quality, safety, and service you can count on.
Founded by a U.S. Navy veteran with nuclear power training — every connection is tested, every circuit verified, and every job completed to the highest standard.
Over three decades of hands-on electrical experience across residential, commercial, and industrial projects — from simple outlet repairs to complex panel upgrades.
Fully licensed electricians with general liability and workers' compensation coverage. We pull permits, coordinate inspections, and guarantee code compliance.
Every job is backed by a written workmanship warranty. If any issue arises with our work, we make it right at no additional cost.
Every project meets or exceeds current National Electrical Code standards. Our technicians maintain ongoing NEC continuing education with each code cycle.
Everything you need to know about electrical work for your home or business — from permits to pricing.
Yes. JJC Electric designs and installs landscape lighting, security lighting, deck and patio lighting, and pathway fixtures for Derry properties. We use weatherproof wiring, GFCI protection, and LED fixtures rated for New Hampshire climate conditions to ensure safety and longevity.
Yes. JJC Electric serves both residential and commercial clients throughout Derry, NH. From single outlet installations and ceiling fan wiring to full commercial lighting, three-phase power, and tenant buildout electrical, our licensed electricians handle projects at any scale.
Yes. JJC Electric provides 24/7 emergency electrical response throughout Derry and surrounding New Hampshire communities. Power outages, sparking outlets, burning smells, and tripped breakers that will not reset are all situations that require immediate attention. Call (866) 740-1093 any time.
Warning signs include frequent breaker trips, flickering or dimming lights, discolored outlets, burning smells near switches, two-prong outlets throughout the house, and knob-and-tube or aluminum wiring. If your Derry home is over 40 years old, JJC Electric recommends a professional electrical inspection to assess wiring condition.
Yes. JJC Electric handles all electrical permits and inspections required by Derry and New Hampshire building codes. Permitted work protects your investment, maintains your insurance coverage, and ensures everything is done to current National Electrical Code standards.
Electrical service costs in Derry vary by project. Outlet installations typically run $150 to $350, panel upgrades $1,500 to $4,000, and whole-house rewiring $8,000 to $20,000 depending on home size. JJC Electric provides free written estimates for all electrical work in Derry, NH with no hidden fees.
Our reputation is built on every connection we make — hear from customers who've experienced the JJC Electric difference.
"JJC Electric handled the full electrical for our garage conversion — new sub panel, outlets, lighting, and a dedicated circuit for the mini split. Solid work. Only minor issue was a scheduling delay but the actual work was excellent."
"Replaced an old light fixture with a ceiling fan in our master bedroom. JJC Electric reinforced the junction box, ran a new switch leg for the fan control, and had it done in about two hours. Looks great and works perfectly."
"Very responsive and professional. Quick and clean work. I do appreciate how communicative the team was about their arrival time and when they got here they were efficient and thorough."
We serve communities throughout the region with the same quality electrical service and professional standards.