Skilled trades

Commercial Electrical Systems

Commercial power distribution, lighting, and service differences vs residential.

Intermediate · 12 weeks · self-paced · The PATG Group

Twelve-week commercial electrical — distribution map, voltages, feeders/raceways, lighting and utilization layouts, schedules, grounding awareness, and tenant fit-out habits. Prep only — does not issue a license. Included with All Access.

12 weeks with autograded assessments. Included with All Access. Finish to lock completion and keep a printable certificate.

What you'll learn

  • Map commercial distribution from service to branch
  • Explain common commercial voltage systems at practical depth
  • Plan commercial lighting and utilization layouts at awareness depth
  • Maintain panel schedules and circuit directories that survive turnover
  • Apply commercial grounding/bonding and renovation habits at overview depth

Course content

12 sections

  1. Week 1 Orientation: commercial vs residential
  2. Week 2 Commercial distribution overview
  3. Week 3 Voltage systems and phases (practical map)
  4. Week 4 Feeders, raceways, and cable tray awareness
  5. Week 5 Commercial lighting systems
  6. Week 6 Receptacle and utilization equipment layouts
  7. Week 7 Panels, schedules, and circuit directories
  8. Week 8 Midterm — commercial electrical fundamentals
  9. Week 9 Grounding/bonding in commercial buildings (awareness)
  10. Week 10 Fire alarm / life-safety interfaces (survey)
  11. Week 11 Tenant fit-out and renovation habits
  12. Week 12 Capstone commercial one-line / fit-out plan and final