Computer network and phone system wiring in Massachusetts.
Data & Phone system wiring and repair in Massachusetts.
Massachusetts data and phone systems cabling specialists.
JM Ehwa Electric provides a full array of electrical services to our valued customers in the Boston Area, North Shore and South Shore of Massachusetts including:
Data & Phone Systems Cabling
Residential & Commercial Computer Systems
JM Ehwa Electric is one of the most experienced electrical contractors specializing in wiring new or existing data networks and phone systems in the state of Massachusetts.

Our electricians provide expert wiring / cabling services for a vast majority of computer networks (LAN & WAN) as well as the most sophisticated inter-office telephone systems.
JM Ehwa Electric
Massachusetts Electrical Contractors
Massachusetts Electrical Contractors
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Switch and lighting, wiring repair service in Massachusetts.
  • Electrical Outlet Installation
  • Home Interior & Exterior Lighting
  • Panel / Service Upgrades
  • Electric Generator Installation
  • Electrical Repair/Troubleshooting
  • Machine Control Circuit Wiring
  • Voice / Data Network Cabling
  • New Construction Wiring
  • Baseboard Heating / Radiant Heat
  • Security Systems / Fire Alarms
  • High Voltage Design to 15kv
  • Parking Lot & Commercial Lighting
New home construction electrical wiring and lighting.
At JM Ehaw Electric, we treat every single customer as if they're the only customer.
Our electricians treat our customers and their property with respect.
Phone and computer system troubleshooting in MA.
Citro has the cheapest, most affordable computer network and phone system wiring in Massachusetts.
The best electricians for date and phone services in Massachusetts.
Fast or Immediate Response by our Dispatch Team


All Wiring Meets Electrical Code Requirements


24 Hour Emergency Services Available