Project Summary
Project Type
Subpanel Installation
Location
San Rafael, CA
Duration
1 Day
Services Provided
125A Subpanel, Breaker Upgrade, Circuit Re-routing
When a San Rafael homeowner needed to expand their electrical system to support future upgrades, they turned to Bellows Plumbing, Heating, Cooling & Electrical for a professional subpanel installation. This critical electrical upgrade increased the home’s power capacity, making room for high-demand appliances, EV chargers, and future circuit expansions. With code compliance, safety, and long-term reliability as top priorities, our licensed electricians completed a seamless subpanel installation that future-proofs the home’s electrical infrastructure.
Project Scope & Key Components
The project involved the installation of a 125 amp subpanel to accommodate new and future circuits. Key tasks included:
- Mounting and securing the subpanel to the left exterior wall of the home
- Installing a new wire from the main panel to the subpanel
- Adding a 125 amp breaker at the main panel
- Routing existing circuits from the main panel to the new subpanel
- Installing and labeling new breakers
- Cleaning up and hauling away job debris
Installation Phases & Timeline
With the scope clearly defined, our licensed electricians at Bellows Plumbing, Heating, Cooling & Electrical began the subpanel installation with precision and attention to detail. The two-person crew completed the project in just one day, minimizing disruption to the homeowner’s routine. From selecting the optimal mounting location to integrating new circuits seamlessly, every step was carefully planned to meet code requirements and exceed expectations. Below is a breakdown of how we delivered long-term safety, improved organization, and expanded electrical capacity for the home.
Subpanel Setup and Circuit Re-routing
- Chose optimal subpanel location despite a stud behind the wall
- Adjusted positioning to maintain crawlspace access and code compliance
- Installed a 125 amp breaker in the main panel to power the subpanel
- Ran new wire from main panel to subpanel
- Rerouted and relocated multiple circuits into the subpanel
- Achieved a cleaner and more organized electrical layout
Testing and Finishing Touches
- Tested and traced each circuit for proper functionality
- Clearly labeled all breakers for homeowner convenience
- Made wood notching and drywall adjustments for precise fit
- Cleaned up entire work area after installation
- Performed final walkthrough and inspection
- Delivered a modernized, future-ready electrical system
Final Results & Homeowner Feedback
This subpanel installation was completed efficiently and with meticulous attention to detail by our licensed electricians. The homeowner now benefits from a safer, more organized, and future-ready electrical system. By upgrading to a 125 amp subpanel, they gained the capacity to support high-demand appliances, EV chargers, and other modern technology—without the risk of overloading circuits.
Every breaker was tested, traced, and clearly labeled to simplify future maintenance, and the system passed inspection without issue. The homeowner expressed appreciation for the clean finish and seamless integration, noting how professional and communicative the team was throughout the process. They now have peace of mind knowing their electrical system is built to meet modern demands and future upgrades.
Photo Highlights
At Bellows Plumbing, Heating, Cooling & Electrical, we believe that quality craftsmanship speaks for itself—and our electrical installations are no exception. From precise panel placement to careful circuit tracing and labeling, every step of this subpanel installation was handled with care and expertise.
Browse the photos below to see the attention to detail, clean execution, and code-compliant finish that our team consistently delivers. Whether it’s routing wiring through tight spaces or ensuring safe, accessible panel layouts, we go the extra mile to get it right the first time.
System Benefits & Long-Term Value
Upgrading with a properly installed subpanel provides homeowners with significant electrical advantages:
- Increased capacity: The new 125 amp subpanel creates substantial additional power capacity, allowing the home to support more circuits and higher electrical demands.
- Future-proofing: With modern homes requiring more power for appliances, EV chargers, and smart home systems, this installation prepares the property for technological advances and upgrades.
- Improved organization: By rerouting circuits from the main panel to the subpanel, the electrical system becomes more organized and easier to manage for future maintenance or modifications.
- Code compliance: The installation brings the home’s electrical system up to current safety standards, which is particularly important for insurance coverage and home resale value.
- Safety improvements: Preventing circuit overloads by distributing the electrical load across two panels reduces fire hazards and protects sensitive electronics.
- Home value: Updated electrical systems that meet modern needs are increasingly important selling points in today’s real estate market.
This subpanel installation demonstrates how thoughtful electrical upgrades can protect your home while providing the flexibility needed for modern living. By investing in proper electrical infrastructure now, the homeowner has avoided potential limitations and safety concerns down the road.
Why Homeowners Trust Bellows for Electrical Upgrades
From panel upgrades to subpanel installations and EV-ready solutions, Bellows electricians are licensed, code-compliant, and highly experienced. We take safety seriously — labeling circuits, routing clean wiring, and ensuring every job is inspection-ready. Whether you’re preparing for a remodel, upgrading to a high-efficiency furnace and AC system, future-proofing your power capacity, or switching to a tankless water heater, Bellows brings precision, expertise, and professionalism to every electrical project.