Skilled trades

Low-Voltage Electrical Systems

Low-voltage cabling, signaling, and related install/service basics.

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

Twelve-week low-voltage systems — Class 2/3 awareness, cable/pathways, structured cabling, PoE awareness, access/security signaling, fire-alarm interfaces (survey), and commissioning. 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

  • Distinguish power-limited / Class 2–3 themes from line voltage
  • Select cable ratings and pathways with separation habits
  • Install structured cabling basics with labeling and test awareness
  • Interface access, security, and life-safety systems at survey depth
  • Commission LV systems with as-builts that survive turnover

Course content

12 sections

  1. Week 1 Orientation: what “low voltage” means on the job
  2. Week 2 Cable types, ratings, and pathways
  3. Week 3 Structured cabling foundations
  4. Week 4 Power over Ethernet (PoE) awareness
  5. Week 5 Access control and door hardware interfaces
  6. Week 6 Intrusion / security signaling overview
  7. Week 7 Fire alarm interfaces for electricians (survey)
  8. Week 8 Midterm — low-voltage fundamentals
  9. Week 9 AV / nurse-call / specialty LV (survey)
  10. Week 10 Grounding, bonding, and surge on LV systems
  11. Week 11 Commissioning, as-builts, and service habits
  12. Week 12 Capstone low-voltage plan and final