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  • Home
  • About
    • About DSI
    • Who We Are
    • Meet the Team
    • Locations
      • DSI Sioux Falls SD
      • DSI Midland TX
      • DSI Stanley, ND
      • DSI Grand Forks ND
    • Partners
  • Services
    • Automation
    • Electrical
    • Panel Shop
    • Fabrication
      • E-House Fabrication and Integration
      • Ray Defender
    • Field Services
  • Careers
  • Resources
    • Blog
    • Projects
      • Regenerative Drive Project
      • ESP Trailers for Oil & Gas Production
      • Oilfield Water Desalination and Filtration System
      • Improving Fiber Infrastructure for a Food Processing Facility
  • Contact

Posts by Karleigh Halpin

What Is Class 1 Division 2 Hazardous Location — and Why Does It Matter?

By Karleigh Halpin | 07/27/2026
DSI technician programming a Class 1 Division 2 control panel

If your facility operates in oil and gas, you almost certainly have Class 1 Division 2 hazardous locations on site. Most production managers, project leads, and facility engineers encounter the C1D2 designation regularly — on panel labels, in electrical drawings, and in vendor specs. Even so, few can explain exactly what it means, who decides…

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