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Safe & Effective Electrical Wiring Services in Houston, TX

Installing & Replacing Outdated Wires in Houston Homes Since 1990

Colwell Electric provides complete electrical wiring services throughout Houston, including new wiring, rewiring, and system repairs. Whether you’re remodeling, upgrading an older system, or correcting damaged or unsafe wiring, we deliver code-compliant service that protects your home and keeps everything running smoothly.

Our licensed electricians install branch circuits, update aluminum wiring, replace ungrounded connections, and support major appliance or panel upgrades. We also evaluate existing wiring for wear, loose connections, and overheating risks.

With three decades of local experience, Colwell Electric makes sure that every wire meets current code—and every job is done right the first time.

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Types of Wiring Projects We Handle

Every home has different wiring demands depending on layout, age, and usage. Colwell Electric provides residential wiring services that meet modern code requirements while supporting long-term safety and performance. We handle a wide range of projects across the Houston area, including:

  • Appliance Circuits: Dedicated wiring for dryers, ovens, refrigerators, and HVAC systems
  • Detached Structures: Power for garages, workshops, sheds, and outdoor buildings
  • Lighting & Switches: New or upgraded circuits for interior and exterior lighting
  • Remodel & Addition Wiring: New wiring for room conversions, expansions, and major renovations
  • Whole-Home Rewiring: Replacing aging, unsafe, or ungrounded wiring throughout the home

No matter the size or complexity of the job, our electricians deliver code-compliant wiring that improves reliability and reduces long-term risks.

Other Residential Electrical Services

Wiring, panels, and outlets support comfort, protect equipment, and prepare your space for future upgrades. Colwell Electric provides full-service residential electrical work across Houston, built around your home’s layout, load demands, and safety requirements. Whether you’re planning or fixing an immediate issue, our team delivers safe, code-compliant service that supports long-term reliability.

Electrical Inspections

We perform thorough residential inspections to locate worn components, outdated wiring, and potential code violations before they turn into larger problems.

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Electrical Repairs

Our electricians identify the cause of power loss, circuit issues, or equipment failure and complete repairs that restore consistent, safe operation.

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Emergency Electrician

Available 24/7, we respond quickly to urgent issues like burning smells, buzzing panels, or sudden power loss to prevent further risk or damage.

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Houston’s Favorite Local Electricians

Very professional, quality work.

“No other company came close to the cost I was quoted from Colwell Electric. A family-owned business that I highly recommend.”

- Mendi S.

Kind and responsive service.

“10/10 we loved working with Mike and his team. Mike was always so responsive and I love how creative he is when it came to redoing our electric and making it still aesthetically pleasing. Can’t recommend these guys enough!”

- Nadine B.

Quick, efficient, and thorough!

“Our Ting sensor kept sending multiple warnings. After two other electricians and the power company came to check it out, nothing was found. Trent from Colwell Electric diagnosed and found the problem. Repaired it and we’ve had no other issues!”

- Sharon D.

What a great service you offer!!!

“As Realtors, we are always looking to add value to our clients. I’m excited about the new product Colwell is offering to monitor the electric connections in my home. I have worried about shorts…..not anymore.”

- Gaye W.

Quality and quick service!

“They were always on time. Prices were competitive. Cleaned up afterwards. I will use them again.”

- Donna M.

Team was excellent!

“I contacted Colwell Electric because lightning struck my home and damaged quite a few outlets and light fixtures. Mike D. took great care of me. He was helpful and answered all my questions. I am very pleased with their work and professionalism.”

- Heather M.

Electrical Wiring Services FAQs

Old, damaged, or incorrectly installed wiring is one of the leading causes of power issues and electrical fires in homes. We help Houston homeowners understand when to rewire, what types of upgrades may be needed, and how to improve the safety and performance of their systems without unnecessary disruption. Below are some of the most common questions about electrical wiring services.

Rewiring is often recommended for homes built before the 1980s, especially those with original panels, limited circuits, or outdated wiring types like aluminum or knob-and-tube. Even without visible issues, older systems may struggle to support appliances, HVAC, EV chargers, or modern electronics without overloading.

Colwell Electric evaluates your system’s capacity, wiring condition, and safety compliance. If full or partial rewiring is needed, we plan the project to minimize disruption while delivering safe, code-compliant results that support current and future power needs.

Certain symptoms can point to aging or unsafe wiring, even if the system hasn’t completely failed yet. Recognizing these early signs can help prevent electrical fires, outages, or more expensive repairs later.

  • Burning Smells or Scorched Outlets: May signal overheating wires or damaged insulation
  • Buzzing or Crackling Sounds: Often caused by loose connections or arcing
  • Frequent Breaker Trips or Blown Fuses: Can indicate overloaded or deteriorating circuits
  • Dimming or Flickering Lights: Especially when appliances turn on, suggest voltage fluctuations
  • Widespread Use of Extension Cords: Shows your system lacks proper outlet coverage
  • Outdated Materials: Aluminum, knob-and-tube, or cloth-insulated wiring often needs replacement

If you’ve noticed any of these warning signs, Colwell Electric can inspect your system, verify code compliance, and recommend rewiring if needed to restore safety and reliable performance.

The disruption level depends on the project’s size and your home’s construction. Partial rewiring in an accessible attic or basement may require minimal wall access, while full rewiring in an older home could involve temporary drywall removal and more coordination.

Colwell Electric walks you through the process in advance, outlines what to expect, and keeps the jobsite clean and secure, so you can make informed decisions and avoid surprises.

Outdated or damaged wiring can lead to several serious problems, including:

  • Overheating Wires: Often caused by insufficient insulation or undersized conductors
  • Arcing or Sparking: From loose connections, corroded terminals, or aging breakers
  • Short Circuits: Leading to damaged appliances or fire hazards
  • Unreliable Outlets: Inconsistent power, flickering lights, or buzzing devices
  • Code Violations: Older wiring often lacks proper grounding or arc fault protection

We identify these risks early and recommend repairs or rewiring to restore safety and compliance.

Yes, many homeowners add new wiring for specific needs without a full system overhaul. If your panel has capacity and your existing circuits are in good condition, we can run new lines for EV chargers, hot tubs, kitchen upgrades, or lighting additions.

Colwell Electric reviews your current setup, explains your options clearly, and ensures all new wiring integrates safely with your existing system.

Explore More Home Wiring Tips & Upgrade Planning

Curious about what causes frequent breaker trips, how aluminum wiring affects performance, or when to consider full rewiring? Visit our blog for expert insights on residential wiring, circuit planning, and how to protect your home from preventable hazards.

Hot Outlets or Flickering Lights?

Contact Colwell Electric today for electrical switches and outlet services in Houston.

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Contact Colwell Electric for Electrical Wiring Services in Houston

Loose wires, overloaded circuits, and aging conductors aren’t just performance issues—they’re fire hazards. Colwell Electric provides electrical wiring services across Houston, identifying unsafe connections and delivering clean, code-compliant repairs that protect your home.

Our licensed electricians inspect wiring for signs of damage, corrosion, and outdated materials. We replace compromised conductors, correct overloaded circuits, and rewire as needed to support new appliances, lighting, or room additions. Every repair or upgrade meets NEC standards and supports safe, long-term use.

Not sure if it’s time to rewire or just fix a bad connection? We’ll assess the problem and walk you through the right next step. Contact us today.