Skilled trades

Meter-first fault finding, circuit diagnosis, and service documentation.

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

Twelve-week meter-first electrical diagnostics — fault signatures, branch diagnosis, panel triage awareness, intermittents, planted-fault practice, and service reports. 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

• Apply a meter-first diagnostic method with verify-zero habits
• Distinguish open, short, ground-fault, and high-resistance symptoms
• Diagnose common receptacle, lighting, and shared-neutral faults
• Triage panel/feeder vs branch symptoms and know when to escalate
• Write clear service reports from measurements and conclusions

Course content

12 sections

1. Week 1 Orientation: meter-first diagnostic mindset
2. Week 2 Meters, categories, and measurement discipline
3. Week 3 Open, short, ground-fault, and high-resistance symptoms
4. Week 4 Branch-circuit diagnosis (receptacles & lighting)
5. Week 5 Panel and feeder symptom triage (awareness)
6. Week 6 Intermittents, heat, and connection failures
7. Week 7 Control circuits and low-voltage interfaces
8. Week 8 Midterm — electrical diagnostic fundamentals
9. Week 9 Planted-fault practice sets
10. Week 10 Multi-circuit and shared-path faults
11. Week 11 Service reports and customer communication
12. Week 12 Capstone diagnostic scenario and final