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Andrew Ells-O'Brien - Journeyman Electrician
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Andrew Ells-O'Brien - Journeyman Electrician
Home
Ceiling Fan Installation
Electrical Installations
Electrical Repairs
Electrical Safety Inspection
EV Charger Installation
Generator Maintenance
Lighting Design
Lighting & Wiring
Panel & Service Upgrades
Receptacles & Switches
Smoke/CO Detectors
Surge Protection
…And More
Service Area
Blog
Donate
When to call?
FAQ
Gallery
Terms of Service
Legal
Reviews
About
Contact
Home
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Ceiling Fan Installation
Electrical Installations
Electrical Repairs
Electrical Safety Inspection
EV Charger Installation
Generator Maintenance
Lighting Design
Lighting & Wiring
Panel & Service Upgrades
Receptacles & Switches
Smoke/CO Detectors
Surge Protection
…And More
Service Area
Blog
Donate
Folder: More Info
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When to call?
FAQ
Gallery
Terms of Service
Legal
Reviews
About
Contact
How Often Should an Older Home Have an Electrical Safety Inspection?
Andrew Ells-O'Brien 4/24/26 Andrew Ells-O'Brien 4/24/26

How Often Should an Older Home Have an Electrical Safety Inspection?

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Electrical Issues That Often Come Up During Home Inspections in Massachusetts
Andrew Ells-O'Brien 4/17/26 Andrew Ells-O'Brien 4/17/26

Electrical Issues That Often Come Up During Home Inspections in Massachusetts

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Why Your Electrical Installation Costs Are Higher in 2025 (Tariffs, Materials & What It Really Means for Your Home)
Andrew Ells-O'Brien 4/10/26 Andrew Ells-O'Brien 4/10/26

Why Your Electrical Installation Costs Are Higher in 2025 (Tariffs, Materials & What It Really Means for Your Home)

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How Much Does It Cost to Upgrade Electrical Systems in an Older Home?
Andrew Ells-O'Brien 4/3/26 Andrew Ells-O'Brien 4/3/26

How Much Does It Cost to Upgrade Electrical Systems in an Older Home?

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What Homeowners in Older Homes Can DIY — and What They Shouldn’t
Andrew Ells-O'Brien 3/29/26 Andrew Ells-O'Brien 3/29/26

What Homeowners in Older Homes Can DIY — and What They Shouldn’t

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Is Knob-and-Tube or Cloth Wiring Still Legal in Massachusetts?
Andrew Ells-O'Brien 3/22/26 Andrew Ells-O'Brien 3/22/26

Is Knob-and-Tube or Cloth Wiring Still Legal in Massachusetts?

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Do Older Homes in Chelmsford Need Electrical Panel Upgrades?
Andrew Ells-O'Brien 3/15/26 Andrew Ells-O'Brien 3/15/26

Do Older Homes in Chelmsford Need Electrical Panel Upgrades?

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GFCI and AFCI Requirements in Massachusetts: What Older Homes Need to Know
Andrew Ells-O'Brien 3/8/26 Andrew Ells-O'Brien 3/8/26

GFCI and AFCI Requirements in Massachusetts: What Older Homes Need to Know

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Why Your Circuit Breaker Keeps Tripping in an Older Home
Andrew Ells-O'Brien 3/1/26 Andrew Ells-O'Brien 3/1/26

Why Your Circuit Breaker Keeps Tripping in an Older Home

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Why Older New England Homes Are at Higher Risk for Electrical Fires
Andrew Ells-O'Brien 2/22/26 Andrew Ells-O'Brien 2/22/26

Why Older New England Homes Are at Higher Risk for Electrical Fires

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Signs Your Older Home’s Electrical System Is No Longer Safe
Andrew Ells-O'Brien 2/15/26 Andrew Ells-O'Brien 2/15/26

Signs Your Older Home’s Electrical System Is No Longer Safe

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7 Electrical Problems I Commonly Find in Older Homes in Chelmsford, MA
Andrew Ells-O'Brien 2/8/26 Andrew Ells-O'Brien 2/8/26

7 Electrical Problems I Commonly Find in Older Homes in Chelmsford, MA

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What Happens During an Electrical Safety Inspection in an Older Massachusetts Home
Andrew Ells-O'Brien 2/1/26 Andrew Ells-O'Brien 2/1/26

What Happens During an Electrical Safety Inspection in an Older Massachusetts Home

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Why Electrical Installation Costs Are Higher Right Now
Andrew Ells-O'Brien 1/27/26 Andrew Ells-O'Brien 1/27/26

Why Electrical Installation Costs Are Higher Right Now

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Welcome To My Blog
Andrew Ells-O'Brien 1/21/26 Andrew Ells-O'Brien 1/21/26

Welcome To My Blog

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Email: andrew@ellsobrien.com

Phone: (617) 645-9836

MA License #: 62252-B

chargepoint certified installer

© 2026 Andrew Ells-O’Brien | Chelmsford, Massachusetts
Licensed Journeyman Electrician – Commonwealth of Massachusetts
MA License #: 62252-B

Fully Insured through Hiscox Insurance Co. Inc. COI/ACORD available upon request.

Residential Electrical Services | Electrical Safety Inspections | Troubleshooting | Lighting | Panel Upgrades

Service Area: Chelmsford MA, Westford MA, Billerica MA, Lowell MA, Tewksbury MA, Carlisle MA, Tyngsborough MA, and surrounding communities.

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