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Jamco Electric describes itself as offering electrical services, lighting, generators and outlets for residential and commercial properties in the New London County area. On Google it holds 4.7 stars from 13 ratings. A recent customer says the company installed a lot of network cabling at their church, at a price they called very reasonable. A 2026 customer said they had used Jamco twice: once to add outlets for a stove and dryer when switching from propane gas to electric and to upgrade the electrical panel, and once to install a chandelier and new smoke/CO detectors. That 2026 customer said the electricians showed up when they said they would, worked around a partner in a wheelchair and his aide, and cleaned up after themselves. In 2023, a customer said they called on a Monday, got a prompt call back and had the problem fixed, and described themselves as a repeat customer. A 2022 customer said they were recommended to Jamco through R&W heating for a ductless AC install, and that the techs worked quickly and sent an emailed invoice shortly after they left. A 2024 customer said the electricians left the site clean and complete. A 2024 reviewer said they tried to call and got no answer.
This company is OUTSTANDING! They recently installed a lot of network cabling for me at my church, They performed high quality work at a very reasonable price. They are incredibly easy to work with and I can't say enough about what a wonderful company this is.
I have utilized JAMCO on 2 occasions---February 2025 (add outlets for stove and dryer to go from propane gas to electric and upgrade electrical panel) and February 2026 (install chandelier and new smoke/CO detectors). Both times, the electricians showed up when they said they would, were friendly and polite, were able to work around me, my partner in his wheelchair and his aide, and they cleaned up after themselves! I highly recommend JAMCO for any electrical needs. Great local business!
Tried to call no answer. No good also they did work for my friend and he was not happy
Jamco electricians are reasonable, reliable, punctual, and know what they are doing. I've worked with hundreds of contractors over 30 years and these folks are top-notch. They are respectful of your home, and leave the site clean and complete. If they service your area, do not hesitate to use them.
Great job! Excellent customer service! I highly recommend them :)
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1 change recorded — last scanned Oct 30, 2026.
Typical Connecticut range for this kind of work, from regional averages — not a quote from Jamco Electric. Use it to sanity-check bids, then get the real number in writing.
Standard receptacle swaps — a new dedicated circuit is a bigger job ($350–$750).
Flush mounts, pendants, chandeliers — hung on existing boxes.
Estimated range
$490 – $1,050
Typical electrical project around $770
Panel upgrades to 200 amps4.5
Whole-house generators installed and serviced4.3
Wiring run for a new hot tub3.7