
⚡ Electrical Installation Services In New Hampshire
Powering Homes with Safe, Expert Electrical Installations
Are you constantly rearranging appliances to avoid tripping a breaker? Tired of relying on extension cords just to power everyday devices? It might be time to upgrade your home’s electrical system. At Lenn Johnson Electric, we specialize in reliable, code-compliant electrical installations that make your home safer, more efficient, and future-ready.
Modern households use more power than ever before—from smart home devices and EV chargers to kitchen appliances and entertainment systems. If your electrical system isn’t keeping up, our team of licensed electricians is ready to help.
Signs You May Need New Electrical Installations
Electrical systems that are outdated, overloaded, or poorly installed can pose serious safety risks. Here are some common warning signs that indicate you may need electrical installation or replacement services:
Lights flicker when appliances turn on
Outlets feel warm or have a burning smell
Buzzing or crackling sounds behind walls
Circuit breakers trip frequently
Burnt or discolored wires in your panel
Limited outlets in rooms that now demand more power
Use of extension cords throughout the home
⚠️ Don’t ignore these signs. Electrical issues can be fire hazards—call our team to inspect and recommend the right solution.
Professional Electrical Installation Services
At Lenn Johnson Electric, we offer a full suite of residential installation services designed to meet your current electrical needs—and prepare your home for the future. See our other residential electrical services here.
Our services include:
New Outlet & Switch Installation
Lighting Installation (Interior & Exterior)
Electrical Panel Upgrades & Replacements
EV Charger Installation
Whole-Home Surge Protection
Home Appliance Wiring
Hot Tub, Pool & Spa Electrical Setup
Ceiling Fan & Fixture Installation
Generator Installation
New Construction Electrical Wiring
Home Renovation & Remodeling Projects
Smart Home Device Wiring
Whether you're remodeling, building new, or simply upgrading part of your home, our licensed electricians deliver safe, clean, and efficient installations—done right the first time.
✅ Why Choose Lenn Johnson Electric?
We’re committed to providing more than just great electrical work—we focus on dependable service, honest pricing, and total peace of mind.
Here's what sets us apart:
Licensed, Insured, and Experienced Electricians
Every member of our team meets state requirements and holds up-to-date certifications. We follow all electrical code requirements for maximum safety.Transparent, Upfront Pricing
We explain every part of your installation and provide a detailed quote before any work begins. No hidden fees or surprise charges.Clean & Respectful Workmanship
We treat your home like it’s our own—minimizing disruption and cleaning up thoroughly once the job is done.Custom Solutions for Every Home
From small updates to major electrical upgrades, we tailor each installation to your home’s layout, load capacity, and future goals.Commitment to Safety
Your safety is our top priority. We take every precaution to ensure your electrical system is secure and reliable for years to come.No Job Too Big or Small
Need a single outlet installed? Planning a full-home renovation? We’re here to help with fast, high-quality work on projects of any size.
Serving Central New Hampshire
We proudly provide electrical installation services to homeowners across Central New Hampshire, including:
Andover
Boscawen
Franklin
Henniker
Hopkinton
Salisbury
Concord
Manchester
Pembroke
Hooksett
... and many more!
Schedule Your Electrical Installation Today
If you’re ready to improve your home’s functionality, safety, and efficiency, Lenn Johnson Electric is here to help. Reach out today for a free, no-obligation quote from a trusted local electrician.
👉 Call (603)-496-3990
👉 Or Request a Quote Online
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Yes. Even seemingly simple installations—like a light fixture or new outlet—can pose safety risks if not done correctly. Our licensed electricians ensure every job meets code and functions safely.
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Costs depend on the type of installation, home layout, and accessibility. We provide upfront pricing and clear estimates before starting any work—no surprises.
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Absolutely. We install wiring for smart switches, thermostats, security cameras, doorbells, and more. We’ll make sure they’re integrated safely and work as intended.
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We provide electrical installation services throughout Central New Hampshire, including towns like Franklin, Concord, Manchester, Henniker, and beyond. If you’re not sure whether we service your location, just give us a call.

Why Choose Us?
High Quality Work
Quick Response
Locally Owned & Operated
Flexible 24/7 Hours
Excellent At Troubleshooting Electrical Problems
Specializing In Modern Kitchen Electrical Wiring & Wiring Of Historic Buildings
Wiring For New Home Additions
Commercial Electrical New Construction & Repairs
Over 16 Years In Business
Over 28 Years Of Experience
Electrician Since 1985
Master Electrician Since 1989