Expert Electrical Work
You Can Count On
Skilled troubleshooting, safe repairs, and responsive emergency services.
Expert Electrical Work
You Can Count On
Skilled troubleshooting, safe repairs, and responsive emergency services.
Complete Electrical Services for Every Project
From troubleshooting to full installations, we're equipped for projects large and small.
Electrical Troubleshooting
Precise diagnostics that isolate faults fast — so problems get solved right the first time.
Electrical Repairs
From flickering circuits to failing outlets — clean, code-compliant fixes that hold up.
Emergency Service
Responsive after-hours help when the lights go out and downtime isn't an option.
Residential Installations
Whole-home wiring, panel upgrades, and smart safety improvements built to last.
Commercial Installations
Reliable systems for shops, offices, and light-industrial spaces — minimal disruption.
Panel & Safety Upgrades
Modernize aging panels, add surge protection, and bring older systems up to code.
Power you can count on, day or night
Schedule electrical service or request emergency assistance.
Why Homeowners Choose Expansion Wiring
Good work speaks for itself.
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Expert Technicians
We find the cause — not just symptoms — so repairs are fixed the right way.
Emergency Service
When power is out, we show up fast and get you up and running.
Residential & Commercial
One trusted team for homes, storefronts, offices, and industrial spaces.
Safety-First
Every repair is done to code, documented, and left cleaner than we found it.
Affordable Pricing
You get a clear quote upfront. No hidden fees, with no surprises on the final bill.
Quality Guaranteed
We stand behind every repair and installation with a no-nonsense guarantee.
Power you can count on, day or night
Schedule electrical service or request emergency assistance.
Certified Excellence
First-aid certified professionals with extensive pet care training and emergency response protocols for ultimate peace of mind.
Real-Time Updates
GPS tracking and live photo updates keep you connected to your pet's adventure every step of the way.
Premium Service
Luxury pet care experience with personalized attention, flexible scheduling, and dedicated customer support.
Expansion Wiring
Trusted Electrical Experience
From flickering kitchen lights to a full commercial rewire, Expansion Wiring treats every job with the same standard of care and expertise it deserves.
Based right here in Harrisburg, we know Pennsylvania homes and businesses — and we know how frustrating it is when electricians don't respond. So we do things differently: skilled technicians clear estimates, prompt arrivals, clean work, and honest answers.
Whether it's an emergency or a planned upgrade, you'll get a skilled troubleshooter — not a sales pitch. That's the promise behind every service call.
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Power you can count on, day or night
Schedule electrical service or request emergency assistance.
Quality You Can See in Every Project
Real jobs, real homes, real results.
Power you can count on, day or night
Schedule electrical service or request emergency assistance.
Trusted by Homeowners Across Pennsylvania
15 Years of Expert Electrical Service to the community.
Power you can count on, day or night
Schedule electrical service or request emergency assistance.
Let's Get Your Electrical Project Started
Reach out today for troubleshooting, repairs, or a service estimate.
Send a message
Get in touch
Phone
(717) 910-5930
Location
5579 Banbridge Drive,
Harrisburg, Pennsylvania, 17112
Business Hours
Mon – Fri: 9AM – 5PM