Andre Castillo

Install and maintain commercial electrical systems for 30+ retail and light-industrial client sites, completing work to NEC and local inspection standards. Lead panel upgrades, conduit runs, three-phase distribution work, and LED lighting retrofits; document as-built changes for project closeout. Mentor 3 apprentices on safe lockout/tagout, job-site hazard controls, blueprint interpretation, and practical NEC best practices.

Handled residential service calls, breaker replacements, fault-finding, and EV charger installations while maintaining clean, safe customer work areas. Completed rough-in and trim-out electrical work for multifamily new builds, including branch circuits, device installation, and fixture connections. Read plans, coordinated with HVAC and plumbing trades, and explained repair options clearly to homeowners and site supervisors.

Supported electrical lab instruction for entry-level trade students, demonstrating safe wiring methods, meter use, and foundational NEC concepts. Maintained tool inventory, prepared materials for hands-on sessions, and built mock residential panels for classroom troubleshooting exercises. Coached peers through conduit layout and termination practice while reinforcing PPE, housekeeping, and lockout/tagout fundamentals.

Coursework included AC/DC theory, motor controls, blueprint reading, conduit fabrication, service calculations, and residential/commercial wiring. Arizona Journeyman Electrician License; OSHA 10-Hour Construction Safety credential.