Arc Flash Study & NFPA 70E Compliance
San Diego County, CA Industrial Facilities
San Diego County is California's second-largest county by population and a global hub for defense, biotech, and life sciences manufacturing — with General Atomics, NASSCO, Qualcomm, Illumina, and hundreds of defense and life sciences companies running complex electrical systems alongside food manufacturers, port industrial operations, and craft beverage producers. Each sector has distinct arc flash compliance requirements under NFPA 70E and Cal/OSHA Title 8. Direct Source delivers complete arc flash studies for San Diego County facilities — field data, IEEE 1584 calculations, and labels printed and installed.
Call (562) 396-9924Get Your Arc Flash Study Quote
Respond within one business day · Serving all of San Diego County
Trusted by industry leaders
Direct Source serves Southern California’s top manufacturers
Service Area
San Diego County Cities We Serve
We provide NFPA 70E arc flash studies throughout San Diego County — defense, biotech, food manufacturing, port industrial, and more.
Don't see your city? We serve all of San Diego County — call (562) 396-9924.
What Clients Say
Trusted by City of Industry & Los Angeles County Manufacturers
“We were experiencing electrical and PLC problems at our manufacturing plant and needed help ASAP. Direct Source came in the same day, gave us a very fair estimate, found the problem, and fixed it. We got back up and running with little downtime. These guys know what they're doing.”
“We had an unexpected production issue at our facility in City of Industry and Direct Source responded quickly. Their industrial electrician team diagnosed the problem fast and got us back up and running the same day. Professional and dependable.”
“They were professional and prompt, diagnosed the issue quickly, and fixed it at no charge since it was an easy fix. That type of customer service goes a long way in showing how they operate. They will be our FIRST call for the next electrical need.”
About Our Service Area
Arc Flash Studies Across San Diego County
San Diego County's industrial base spans defense and aerospace (Miramar, Kearny Mesa, Otay Mesa), biotech and medical devices (Carlsbad, Poway, Sorrento Valley), food and beverage manufacturing (Vista, Escondido, Chula Vista), port and marine industrial (National City, Chula Vista port), and growing North County light industrial (San Marcos, Oceanside, Vista). The county is served by Cal/OSHA's San Diego district office. Direct Source serves San Diego County from our Santa Fe Springs, CA headquarters — positioned to serve the full Southern California industrial market.
View All Southern California Arc Flash Studies →Why San Diego County Facilities Choose Direct Source
Biotech & Medical Device ExpertiseLife sciences manufacturers in Carlsbad, Poway, and Sorrento Valley run cleanroom electrical and laboratory power systems — we understand the arc flash requirements specific to San Diego biotech.
Defense & Navy Contractor ExperienceNASSCO, General Atomics, and their supply chains require current NFPA 70E compliance. We serve defense contractors throughout San Diego County.
Food & Craft Beverage CoverageBreweries in Vista, food manufacturers in Escondido and Chula Vista, and port industrial operators run complex production MCCs — we deliver compliant arc flash studies for these operations.
C-10 Licensed · Cal/OSHA CompliantDirect Source holds a California C-10 license — required for arc flash label installation on energized equipment throughout San Diego County.
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Request Your San Diego County Arc Flash Study Quote
- Field data collection, IEEE 1584, labels installed
- We respond within one business day
- Serving all of San Diego County · No obligation
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Ready to Schedule Your San Diego County Arc Flash Study?
We serve all of San Diego County — from Chula Vista and National City to Carlsbad, Oceanside, Escondido, and beyond.
Call (562) 396-9924