Professional electricians in Sunnyvale, CA — 37+ years experience, NEC compliant, veteran-owned and operated.
Our full range of electrical services covers everything your home or business needs — all performed to current NEC code.
Breakers that trip repeatedly are warning you of a serious problem. Forcing them back on risks fire or electrocution. Our electricians safely diagnose whether the issue is the breaker, the wiring, or an overload.
Upgrade your home with new light fixtures that transform the look and feel of every room. Professional installation ensures proper support, clean wiring, and the right dimming compatibility.
Homes built before 1980 often have degraded insulation, undersized circuits, or knob-and-tube wiring that insurance companies flag as unacceptable. Our licensed electricians bring your wiring up to current NEC standards.
Professionally wired security cameras deliver reliable 24/7 recording without Wi-Fi dropouts or battery hassles. Protect your home and family with a surveillance system you can count on.
Ceiling fans involve heavy fixtures and live wiring above your head. Our licensed electricians ensure every connection is secure, every mount is load-rated, and every fan runs safely.
We design a custom layout, install a weatherproof transformer, run buried low-voltage cable to each fixture location, and program timers or photocells for effortless automated operation.
Electrical installations done without permits or by unlicensed workers put your family at risk and can void your insurance. Our licensed electricians deliver code-compliant, inspected work on every job.
Aging panels with Federal Pacific, Zinsco, or fuse-based systems are documented fire hazards. Our licensed electricians replace them with UL-listed equipment that meets current NEC safety standards.
Recessed lights create a clean, modern look while flooding your rooms with even illumination. LED recessed fixtures also cut your lighting energy use by up to 75 percent.
Carbon monoxide is colorless and odorless, making professional detector placement critical. Properly installed CO detectors give your family early warning before dangerous levels build up.
Aluminum wiring installed in homes from the 1960s and 1970s is a documented fire hazard. Replacing it with modern copper wiring dramatically reduces your risk and may lower your insurance premiums.
We assess your panel capacity, install a dedicated 240V circuit, mount the charging unit in your garage or driveway, and handle all permits and inspections from start to finish.
Improper doorbell wiring can damage your transformer or void your warranty. Our electricians verify voltage, test connections, and ensure your Ring operates safely and reliably.
Our licensed electricians handle every step of your generator install, from sizing the unit and pouring the pad to wiring the automatic transfer switch and final testing.
Overloaded outlets and daisy-chained power strips are leading causes of electrical fires. We install dedicated circuits with proper grounding and tamper-resistant receptacles to keep your family safe.
An electrical inspection reveals hidden hazards, code violations, and aging components before they cause problems. Protect your investment whether you are buying, selling, or simply maintaining your home.
We install a dedicated 240V circuit from your panel to the equipment pad, wire the GFCI disconnect within sight of the unit, bond all metal components, and verify ground fault protection.
Stop guessing why your power is acting up. Professional electrical troubleshooting pinpoints hidden problems fast, saving you time and preventing damage to your home and devices.
We install smart switches, dimmers, and outlets that work with your existing Wi-Fi network, set up automation routines, and ensure every device has the neutral wire and load capacity it requires.
Our electricians diagnose the root cause of the problem, explain the repair before starting, fix the issue with commercial-grade materials, and test the circuit to confirm a lasting solution.
We install a Type 2 surge protection device directly at your electrical panel, wire it to a dedicated double-pole breaker, and verify the grounding system that makes it effective.
We handle tenant improvements, lighting retrofits, panel upgrades, dedicated equipment circuits, emergency power systems, and code compliance upgrades for commercial and industrial spaces.
We install hardwired smoke detectors in every required location, interconnect them so all units sound together, add battery backup, and test the full system before we leave.
A city of 157,557 residents generates enormous demand for electrical upgrades, especially as EV adoption, smart home technology, and energy efficiency standards continue to evolve. JJC Electric maintains the technical expertise, licensing, and crew capacity to help Sunnyvale property owners navigate the transition from legacy electrical systems to modern, high-capacity infrastructure.
We have worked on every generation of electrical system found across Sunnyvale — from aluminum wiring in 1970s construction to fiber-optic smart panels in new builds. That breadth of experience means we diagnose faster, recommend more accurately, and complete projects that other electricians in Sunnyvale would not attempt. When the project requires real technical depth, JJC Electric is the call to make.
From military-grade precision to transparent pricing, discover why property owners trust JJC Electric.
Founded by a U.S. Navy veteran with nuclear power training — every connection is tested, every circuit verified, and every job completed to the highest standard.
Over three decades of hands-on electrical experience across residential, commercial, and industrial projects — from simple outlet repairs to complex panel upgrades.
Fully licensed electricians with general liability and workers' compensation coverage. We pull permits, coordinate inspections, and guarantee code compliance.
From a single outlet repair to a complete commercial electrical build-out, our team handles projects of every size with the same attention to detail.
Every project meets or exceeds current National Electrical Code standards. Our technicians maintain ongoing NEC continuing education with each code cycle.
Answers to the most common questions about hiring a licensed electrician and what to expect from our services.
Yes. Electrical work in Sunnyvale requires a licensed electrician to meet California and local code requirements. Unlicensed wiring is a fire hazard, voids insurance, and will fail inspection. JJC Electric provides fully licensed, insured electricians for every job in Sunnyvale — residential and commercial.
Every job JJC Electric performs in Sunnyvale, CA meets or exceeds the current National Electrical Code and all local amendments. We stay current on California code changes and pull permits to ensure your work passes inspection the first time.
Yes. JJC Electric provides 24/7 emergency electrical response throughout Sunnyvale and surrounding California communities. Power outages, sparking outlets, burning smells, and tripped breakers that will not reset are all situations that require immediate attention. Call (866) 740-1093 any time.
Electrical service costs in Sunnyvale vary by project. Outlet installations typically run $150 to $350, panel upgrades $1,500 to $4,000, and whole-house rewiring $8,000 to $20,000 depending on home size. JJC Electric provides free written estimates for all electrical work in Sunnyvale, CA with no hidden fees.
Absolutely. Lightning strikes and power grid fluctuations are common in Sunnyvale, and a single surge can destroy thousands of dollars in electronics and appliances. A whole-house surge protector installed at your panel by JJC Electric guards every circuit in your Sunnyvale home for a fraction of the replacement cost.
If your Sunnyvale home still has a 100-amp or smaller panel, uses fuses instead of breakers, trips breakers frequently, or you are adding major appliances like an EV charger or hot tub, it is time for a panel upgrade. JJC Electric installs 200-amp panels that handle modern electrical demands safely.
See what property owners have to say about the quality, professionalism, and reliability of our electrical work.
"JJC Electric did a complete commercial lighting retrofit for our warehouse. Replaced all the old fluorescent fixtures with LED high bays. The space is brighter, our electric bill dropped, and the installation was done over a weekend so we had zero downtime."
"Inquired about installing an electric car charger and JJC Electric responded right away and was able to fit me in the next day. The price was reasonable and the installation was done professionally. Very happy with the work."
"We had flickering lights throughout the house and two outlets that stopped working. JJC Electric traced the problem to a loose connection in the panel, tightened everything up, and replaced the damaged outlets. Problem solved in one visit."
JJC Electric provides licensed electricians to cities and towns across the area — find service near you.