Commercial Electrical Services

Bay Area commercial electrical by Esquives — panel upgrades, lighting controls, data cabling, and generator hookups for offices, retail, and restaurants.

Frequently Asked Questions

How do I know if my commercial building needs a panel or service upgrade?

Frequent breaker trips, warm panels, limited spare circuits, or new equipment that can’t be added without overloading are signs your panel may be undersized. Many older Bay Area buildings were not designed for today’s computer loads, HVAC, and EV charging. We can evaluate your existing service, projected loads, and local utility requirements to determine if a panel or service upgrade is necessary.

What is 3-phase power and why is it important for my business?

Three-phase power provides more efficient and stable electricity for heavy loads like machinery, commercial HVAC, elevators, and large kitchen equipment. If you’re running a restaurant, manufacturing shop, or data-heavy office in California, 3-phase can reduce strain on equipment and improve performance. We can assess your current service and work with the utility to upgrade if your operations require it.

What do electrical inspectors actually verify at each stage of a commercial permit project?

At rough electrical inspection, inspectors check conductor sizing, wire protection in exposed locations, box fill calculations, bonding of metallic systems, and whether arc-fault and ground-fault protection is installed where code requires it. For 3-phase work, phasing and termination quality at disconnects and distribution panels are verified. The final inspection confirms all covers and labels are in place and the panel directory is complete. For commercial lighting retrofits, Title 24 compliance documentation—occupancy sensor placement, daylighting controls, and power density calculations—must be submitted to the inspector before final sign-off, not just kept in the contractor's file. We prepare all documentation before calling each inspection so the inspector's visit doesn't become a hold.

Can you install EV charging stations at my commercial property?

We can design and install EV charging infrastructure for office parks, retail centers, and multi-tenant buildings, including load calculations, trenching, and panel upgrades as needed. In California, we also have to account for Title 24 and local utility requirements, and in some cases, rebates or incentive programs are available. We’ll review your site and electrical capacity to recommend the right mix of chargers and locations.

What’s involved in a commercial lighting retrofit to LED?

A lighting retrofit typically includes evaluating existing fixtures, selecting compatible LED replacements, updating controls (like occupancy sensors and daylighting), and ensuring the layout meets code light levels. For Bay Area properties, we also design to meet California Title 24 energy standards. The result is lower energy use, reduced maintenance, and often better-quality light for your tenants or customers.

Will electrical work disrupt my business operations?

Most commercial electrical work can be scheduled around your business hours — we plan power shutoffs during off-hours, early mornings, or weekends to minimize impact on operations. We phase work so only one part of the building is affected at a time and provide temporary power where feasible. Before starting, we review a disruption plan with you so staff and tenants know exactly what to expect and can plan accordingly.

How often should commercial electrical systems be inspected?

For most commercial buildings, a detailed electrical review every 3–5 years is a good baseline, or more often if you add major equipment or have recurring issues. Older buildings in San Jose, Los Angeles, and other California cities with heavy tenant turnover may benefit from more frequent checks. We look for overloaded circuits, outdated panels, damaged wiring, and code issues that could cause downtime or safety problems.

When should I call a commercial electrician instead of handling something in-house?

Call a licensed commercial electrician whenever work touches the main service, the panel, branch circuits, 3-phase distribution, or any system that affects life safety or requires a city permit. Even seemingly minor changes—adding a circuit for new equipment, relocating outlets during a remodel, or installing EV charging—require permits and inspections in California commercial spaces. Unpermitted electrical work can void a Certificate of Occupancy, create issues during property sales or lease renewals, and put your business insurance coverage at risk. The cost of doing it right the first time is consistently lower than correcting it after the fact.

Esquives General Contractors · Morgan Hill, CA · (408) 809-1212 · sales@esquivescontractors.com · Mon–Fri 6:00am–5:00pm, Sat 6:00am–2:00pm · CSLB License #1056641 · Licensed, bonded & insured.