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Knob-and-Tube Rewiring Services in Santa Clara, CA

Upgrade Your Home’s Electrical System for Safety & Efficiency

If your Santa Clara home was built before the 1950s, there’s a chance it still has knob-and-tube wiring, an outdated electrical system that poses significant safety risks. While knob-and-tube (K&T) wiring was once an industry standard, modern electrical demands far exceed its capabilities.

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At NRG Electric, we specialize in knob-and-tube rewiring services, replacing outdated wiring with modern, code-compliant electrical systems. Whether you’re experiencing flickering lights, overloaded circuits, or struggling to get homeowners insurance due to outdated wiring, our licensed electricians are here to help.

If you still rely on an antiquated K&T system, it’s time to upgrade your home’s electrical infrastructure for safety, efficiency, and reliability.

Need a professional rewiring expert? Contact NRG Electric today to schedule a knob-and-tube wiring inspection and upgrade consultation!

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Knob and Tube Rewiring Services
Knob and Tube Rewiring Services
Knob and Tube Rewiring Services

What Is Knob-and-Tube Wiring?

Knob-and-tube wiring was commonly installed in homes built between 1880 and 1950. It consists of:

  • Single-insulated copper wires wrapped in rubber and cloth sheathing
  • Porcelain knobs (to secure wires to framing structures)
  • Porcelain tubes (to protect wires passing through studs or joists)
  • Open splicing, meaning connections are exposed instead of housed in junction boxes

Unlike modern wiring, K&T systems lack grounding, making them more susceptible to shocks, electrical fires, and circuit overloads. While some homes may still have functioning knob-and-tube wiring, the majority have deteriorating insulation, inadequate power capacity, and safety concerns that require professional rewiring.

Why Should You Replace Knob-and-Tube Wiring?

1. Safety Concerns

  • Fire Hazard – Over time, insulation deteriorates, leaving exposed wires that increase the risk of electrical fires.
  • No Grounding – Knob-and-tube wiring lacks a ground wire, which modern electrical systems use for added safety.
  • Overloaded Circuits – K&T wiring was designed for basic electrical use, not today’s high-powered appliances.

2. Code Compliance & Insurance Issues

  • Does Not Meet Modern Electrical Code – Most jurisdictions now require grounded wiring and proper insulation.
  • Homeowner’s Insurance Restrictions – Many insurers will deny coverage or increase premiums for homes with active K&T wiring.
  • Difficult to Get Permits for Home Improvements – If your home has K&T wiring, some cities won’t issue permits for renovations unless the system is updated.

3. Energy Efficiency & Electrical Performance

  • Voltage Fluctuations – Older systems struggle to handle modern power loads, leading to flickering lights and power surges.
  • Poor Insulation Compatibility – K&T wiring isn’t rated for modern insulation, leading to overheating risks in attics or walls.
  • Limited Power Outlets – Homes with K&T wiring often have fewer outlets, forcing homeowners to overuse extension cords and power strips, which creates fire hazards.

4. Increased Home Value & Peace of Mind

  • Enhances Resale Value – Upgrading to modern wiring makes your home safer and more marketable to buyers.
  • Improves Power Distribution – Modern wiring ensures stable power for all appliances, entertainment systems, and devices.
  • Prepares Your Home for Future Electrical Needs – Whether you’re planning solar panels, EV chargers, or home automation, modern wiring supports future upgrades.

Our Knob-and-Tube Rewiring Services

At NRG Electric, we provide comprehensive knob-and-tube rewiring services, ensuring your home is safe, efficient, and up to code.

Knob-and-Tube Wiring Inspection


Our team will evaluate your electrical system, identifying active K&T wiring, outdated connections, and potential hazards.

Full & Partial Home Rewiring


We offer full rewiring for homes with extensive K&T wiring, as well as partial rewiring solutions for renovations or room additions.

Electrical Panel Upgrades


Older homes often have low-amperage electrical panels (60-100 amps). We upgrade panels to 200 amps or more to handle modern electrical loads safely.

Safe Removal of Old Wiring


Our licensed electricians carefully remove outdated K&T wiring while minimizing disruption to your home’s walls and structure.

New Wiring Installation


We replace outdated, unsafe wiring with modern copper wiring, ensuring reliable, long-lasting electrical connections.

Grounding System Implementation


We install grounded electrical systems that meet modern National Electrical Code (NEC) standards, reducing shock and fire risks.

Permit & Code Compliance Management


NRG Electric handles all permits and inspections, ensuring your home’s new electrical system meets or exceeds safety standards.

The Knob-and-Tube Rewiring Process

At NRG Electric, we follow a structured, step-by-step rewiring process to ensure your home’s electrical system is upgraded safely and efficiently.

Step 1: Electrical Inspection & Assessment
  • The extent of knob-and-tube wiring in your home
  • Whether your electrical panel needs an upgrade
  • Any fire hazards, code violations, or overloaded circuits
Step 2: Rewiring Plan & Cost Estimate
  • Minimal disruption to walls, ceilings, and existing finishes
  • Installation of new grounded wiring & outlets
  • Compliance with modern safety standards
Step 3: Safe Removal of Knob-and-Tube Wiring

Our electricians carefully remove outdated wiring, avoiding damage to walls while ensuring all circuits are decommissioned properly.

Step 4: New Wiring Installation
  • Proper grounding for enhanced safety
  • Ample power supply for modern appliances and devices
  • Energy efficiency to reduce wasted electricity
Step 5: Panel Upgrade (If Required)
  • High-power appliances
  • Smart home automation
  • EV chargers and future electrical needs
Step 6: Code Compliance & Final Inspection
  • All circuits are properly installed and labeled
  • Your home meets local and national electrical codes
  • Your new wiring system is safe, efficient, and future-ready

Is It Time to Upgrade Your Home’s Wiring?

If your Santa Clara home still has knob-and-tube wiring, now is the time to prioritize safety and efficiency. Upgrading to a modern, grounded electrical system not only ensures peace of mind but also increases your home’s value, functionality, and long-term safety.

At NRG Electric, we provide expert knob-and-tube rewiring solutions, helping homeowners enjoy a safer, more reliable electrical system.

Don’t wait until electrical hazards become a problem.

Contact NRG Electric today to schedule a knob-and-tube wiring inspection and consultation!

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FAQs – Knob-and-Tube Rewiring Services
in Santa Clara

What is knob-and-tube wiring, and why is it outdated?

A: Knob-and-tube (K&T) wiring is an early electrical system used in homes built between 1880 and 1950. It consists of porcelain knobs and tubes that support and insulate single copper wires. Unlike modern wiring, it lacks grounding, has aging insulation, and cannot safely handle modern electrical loads. Today, most insurance companies refuse to cover homes with active knob-and-tube wiring due to fire hazards and safety concerns.

Does my home still have knob-and-tube wiring?

A: If your home was built before the 1950s and has never had a full electrical upgrade, there’s a good chance it still has active or abandoned K&T wiring. Common signs of knob-and-tube wiring include:

  • Two-pronged outlets (instead of grounded three-pronged ones)
  • Porcelain knobs and tubes in basement or attic spaces
  • Older fuse boxes instead of circuit breaker panels
  • Flickering lights or frequent circuit overloads
Is knob-and-tube wiring dangerous?

A: Yes, knob-and-tube wiring poses multiple safety risks, including:

  • No grounding, increasing shock and fire hazards
  • Aging insulation, which can become brittle and flammable
  • Overloaded circuits, leading to overheating
  • Incompatibility with modern insulation, which can trap heat and cause fires
Can I keep my knob-and-tube wiring if it seems to work fine?

A: While some older homes may still have functional K&T wiring, it does not meet modern electrical codes. More importantly, many homeowners insurance providers require full rewiring before approving coverage. If you plan to sell, renovate, or update your home, it’s best to replace knob-and-tube wiring with a modern, grounded electrical system.

What is involved in the rewiring process?

A: At NRG Electric, our knob-and-tube rewiring process includes:

  • Inspection & Assessment – Identifying all active K&T wiring in your home
  • Safe Removal – Carefully decommissioning outdated wiring
  • New Wiring Installation – Installing modern, grounded copper wiring
  • Electrical Panel Upgrades – Updating your breaker panel if necessary
  • Final Testing & Code Compliance – Ensuring your new system is safe and fully compliant
How long does it take to rewire a home?

A: The timeline depends on the size of your home and the complexity of the job. Generally:

  • Small homes (1,000 sq. ft.) – 3 to 5 days
  • Medium homes (1,500–2,500 sq. ft.) – 1 to 2 weeks
  • Larger homes (2,500+ sq. ft.) – 2+ weeks

Our electricians minimize disruption and work efficiently to restore power as quickly as possible.

Will rewiring my home require tearing down walls?

A: While some wall access may be needed, we use minimally invasive techniques whenever possible. Our team:

  • Routes new wires through existing pathways
  • Uses small, targeted access points instead of large openings
  • Patches and restores any affected areas
Will a new electrical system increase my home’s value?

A: Yes! Rewiring your home:

  • Increases safety, making your home more desirable to buyers
  • Meets modern electrical demands, improving functionality
  • Lowers insurance premiums, as insurers prefer homes with updated wiring
Will I need an electrical panel upgrade when replacing knob-and-tube wiring?

A: In many cases, yes. Older homes often have 60-amp or 100-amp panels, which are not sufficient for modern appliances. A 200-amp panel upgrade ensures your home can safely handle:

  • HVAC systems & electric heating
  • Smart home technology
  • High-power kitchen appliances
  • EV chargers and solar panel integration
How much does it cost to replace knob-and-tube wiring?

A: Costs vary based on home size, accessibility, and the extent of rewiring needed. For an accurate estimate, we recommend scheduling an on-site assessment with our licensed electricians.

Upgrade Your Home’s Wiring – Contact NRG Electric Today!

Don’t let outdated knob-and-tube wiring put your Santa Clara home at risk. Whether you're experiencing flickering lights, overloaded circuits, or struggling to get homeowners insurance, a rewiring upgrade is the best step toward a safer, more efficient electrical system.

At NRG Electric, we specialize in professional knob-and-tube rewiring, ensuring your home meets modern safety codes, power demands, and energy efficiency standards. Our licensed electricians work with precision and care, minimizing disruption while delivering top-quality workmanship.

Why Choose NRG Electric for Knob-and-Tube Rewiring?

Licensed & Insured Professionals

Fully certified electricians with years of experience.

Comprehensive Inspections

We assess your home’s wiring and recommend the best solution.

Safe & Code-Compliant Rewiring

All work meets or exceeds national and local electrical codes.

Minimal Disruption

We use advanced techniques to rewire without excessive wall damage.

Panel Upgrades Available

Ensure your home has the capacity for modern power needs.

Insurance & Permit Assistance

We help navigate compliance issues for smooth approvals.

Customer-Focused Service

Transparent pricing, flexible scheduling, and financing options available.

Schedule Your Knob-and-Tube Rewiring
Consultation Today!

Upgrading your home’s electrical system is an investment in safety, efficiency, and long-term reliability. By replacing outdated knob-and-tube wiring, you’re reducing fire risks, improving electrical performance, and increasing your home’s value.

Our expert team at NRG Electric is ready to provide a thorough assessment, customized rewiring plan, and high-quality installation that brings your electrical system up to modern standards.

Don’t wait until electrical hazards become a problem! Contact NRG Electric today to schedule a professional wiring inspection and take the first step toward a safer, more powerful home.

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