MSHA Certified & Experienced Contractor
Electrical Support for Surface & Underground Mining Operations
OHI Electric provides MSHA-capable electrical services for mines, quarries, aggregate plants, and material-processing facilities. Our team is trained for MSHA Part 46 and Part 48 A & B environments, allowing us to support both above-ground and underground operations.
MSHA Contractor ID: D0437
Welcome to OHI Electric - Your Trusted Contractor
Grounding & Annual Ground Checks
Annual ground checks, grounding documentation, equipment grounding, bonding, ground-fault troubleshooting, and electrical grounding system repairs.
Motors & Processing Equipment
Electrical troubleshooting and support for motors, starters, overloads, contactors, VFDs, pumps, crushers, screens, and other processing equipment.
Conveyors & Material Handling
Electrical support for conveyors, pull cords, belt switches, sensors, interlocks, stackers, bins, silos, crushers, screens, and related field wiring.
Plant Power Distribution
Transformers, feeders, switchgear, panels, disconnects, and power distribution systems, including medium-voltage distribution up to 15 kV.
Controls & Troubleshooting
Troubleshooting of control circuits, sensors, relays, interlocks, safety circuits, PLC I/O, VFD controls, and field devices.
Electrical Upgrades & New Services
New electrical services, service upgrades, panels, feeders, disconnects, grounding systems, equipment installations, and facility electrical improvements.