Brand Certified
Trinity Electrical Systems, Inc
5.0(21 reviews)
Certified by Trinity Electrical Systems, Inc • Aug 23, 2026
Business Details
3 Park Street, Medford, MA
02155, United States
Certified by Trinity Electrical Systems, Inc • Aug 23, 2026
(857) 465-0613
Certified by Trinity Electrical Systems, Inc • Aug 23, 2026
https://www.trinityelectricalsystems.com/
Certified by Trinity Electrical Systems, Inc • Aug 23, 2026
About
Certified by Trinity Electrical Systems, Inc • Aug 23, 2026
ElectricianElectrical Installation Service
You rely on your electrical devices every day, so you don't want to deal with lengthy or complicated projects on your own. Luckily, Trinity Electrical Systems is available for first-rate electrical services throughout the greater Boston area, including Woburn and Medford.
We make it easy to install new equipment, repair faulty components and keep your overall system in check.
Location
Certified by Trinity Electrical Systems, Inc • Aug 23, 2026
Hours
Certified by Trinity Electrical Systems, Inc • Aug 23, 2026
Monday7:00 AM - 5:00 PM
Tuesday7:00 AM - 5:00 PM
Wednesday7:00 AM - 5:00 PM
Thursday7:00 AM - 5:00 PM
Friday7:00 AM - 5:00 PM
Saturday7:00 AM - 5:00 PM
SundayClosed
Reviews
5.0
21 reviews
5 stars
21
4 stars0
3 stars0
2 stars0
1 star0
- NWNeil WalkerAug 20, 20265.0Came out to sort electrical outage in a few minutes and at generous rate, will be happy to use Trinity again
- ARAmy Feind ReevesJul 14, 20265.0I echo all the positive reviews here - Caio did a great job, was knowledgeable and very nice to work with as a person. Would definitely hire him again for any electrical need.
- KCKat ChuckMar 16, 20265.0I met Caio Pereira (Trinity Electrical Systems, Inc.) when he provided basic electrical work needed for a small bathroom refresh at our home. While he was here, I discussed some outdoor lighting needs we had after having a pergola built. Caio made recommendations and provided an estimate for replacement of a motion sensor light fixture for the yard (placement would be a little tricky) as well as lighting for the pergola. When we decided to proceed with the work, we scheduled a date. Caio proved to be a clear communicator, friendly and professional, kept to the schedule, and was conscientious about his work. The final result works perfectly. We now have indoor switch-controlled lights for the sensor as well as the pergola. Thank you, Caio!
- CSChris von StaatsApr 25, 20255.0Trinity Electrical Systems updated my kitchen so that I could switch from a gas stove to an induction stove. They ran new wire, installed a new outlet, wired the new stove, updated the circuit breaker, and more, all with very minimal impact to my kitchen! They were very thorough and went above and beyond to make sure my needs were met. And they kept the space very clean the whole time! Would definitely recommend their work and would hire them again.
- SOSam OliverMay 1, 20245.0They did a great job with the lighting in our new bathroom!
Frequently Asked Questions About Trinity Electrical Systems, Inc
How do I know when electrical wiring needs replacement?
Look for flickering lights, frequent circuit breaker trips, burning smells, or outlets that feel warm to touch. Homes over 40 years old often need rewiring for safety and code compliance.
What's the difference between 15-amp and 20-amp circuits?
20-amp circuits handle higher electrical loads and use thicker 12-gauge wire versus 14-gauge for 15-amp circuits. Kitchens, bathrooms, and appliance outlets typically require 20-amp circuits for safety.
How long does EV charger installation take?
Most Level 2 EV charger installations take 2-4 hours depending on electrical panel capacity and distance from the installation point. Panel upgrades may add additional time.
Why does my circuit breaker keep tripping?
Circuit breakers trip due to overloaded circuits, short circuits, or ground faults. Frequent tripping indicates electrical problems requiring professional diagnosis to prevent potential fire hazards.
What electrical permits do I need in Massachusetts?
Most electrical work requires permits from your local building department. Licensed electricians typically handle permit applications and ensure work meets current Massachusetts electrical codes and safety standards.
Can I install GFCI outlets in older homes?
Yes, GFCI outlets provide essential protection in older homes without ground wires. They're required in bathrooms, kitchens, and outdoor areas to prevent electrical shock hazards.
What affects electrical upgrade costs?
Panel capacity, wire runs, permit fees, and code compliance requirements influence costs. Upgrading from 100-amp to 200-amp service involves panel replacement, meter upgrades, and utility coordination.
How often should commercial electrical systems be inspected?
Commercial properties should have electrical inspections annually or every three years depending on occupancy type. Regular maintenance prevents equipment failures and ensures code compliance for business operations.
Is whole house surge protection worth installing?
Whole house surge protectors defend against power surges from lightning and utility issues, protecting expensive electronics and appliances. They complement individual outlet protectors for comprehensive protection.
What's involved in industrial electrical maintenance?
Industrial maintenance includes equipment inspections, thermal imaging, connection tightening, and preventive replacements. Regular maintenance prevents costly downtime and ensures safe facility operations for manufacturing processes.
Brand Certified Facts from Trinity Electrical Systems, Inc
This information is certified by Trinity Electrical Systems, Inc and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified August 23, 2026Yext Knowledge Graph
- Address
- Categories
- Geo coordinates
- Legal business name
- Hours of operation
- Phone number
- Official website