Troubleshoot a contactor that chatters when energized. Course 5: Overcurrent Protection – Fuses & Circuit Breakers Focus: Fuse types, breaker trip curves, selective coordination, and short-circuit ratings.
| Segment | Topic | Key Demo | |---------|-------|-----------| | 1 | One-line diagrams vs. wiring diagrams vs. ladder logic | Trace power from utility to motor | | 2 | Wire numbering & terminal strip labeling | Follow a wire from page 3 to page 10 | | 3 | Finding an open circuit – step-by-step voltage method | Locate a broken wire in a control loop | | 4 | Finding a short circuit – resistance method | Blown fuse investigation | | 5 | Ground fault location using a megohmmeter | Isolate a wet motor winding |
| Segment | Topic | Key Demo | |---------|-------|-----------| | 1 | Contactors – coil, contacts, arc chutes, enclosure types | Open a NEMA contactor | | 2 | Manual motor starters – toggle & pushbutton | Wire a simple start/stop circuit | | 3 | Magnetic motor starter – 3-pole contactor + overload relay | Assemble a starter on a DIN rail | | 4 | Overload relays – thermal (bimetallic) vs. electronic | Trip test with a heat gun | | 5 | Selecting starter size based on motor HP & voltage | Sizing exercise for a 25 HP motor | 10 Industrial Electrical Training Video Course Library
Focus: NFPA 70E, arc flash, lockout/tagout (LOTO), and hazard recognition.
| Segment | Topic | Key Demo | |---------|-------|-----------| | 1 | Control relays (ice cube, slim interface, power relay) | Wire a holding (seal-in) circuit | | 2 | On-delay & off-delay timers (solid-state & pneumatic) | Build a star-delta timer circuit | | 3 | Proximity sensors – inductive (metal) vs. capacitive (all materials) | Detect a bolt vs. a plastic block | | 4 | Photoelectric sensors – through-beam, retroreflective, diffuse | Align a through-beam sensor | | 5 | Introduction to ladder diagrams (NO/NC contacts, coils) | Convert a relay schematic to ladder | Troubleshoot a contactor that chatters when energized
Identify 5 code violations in a photo of a real industrial panel. Production & Delivery Notes | Element | Recommendation | |---------|----------------| | Video length per course | 45–75 minutes (broken into 5–8 segments of 5–12 min) | | Instructor | Licensed master electrician or EET with 10+ years industrial experience | | Visual style | Split-screen: instructor + live panel / motor / VFD + animated circuit diagrams | | Hands-on materials | Each course includes a downloadable worksheet, schematic, and quiz | | Certification | Completion badge + .pdf certificate per course | | Target software playback | LMS (SCORM), YouTube Unlisted, or company training portal | Optional Add‑On (11th course – Bonus) PLC & HMI for Electricians (Basics of digital inputs/outputs, ladder logic vs. relay logic, and HMI navigation for troubleshooting.)
| Segment | Topic | Key Demo | |---------|-------|-----------| | 1 | Digital multimeter (DMM) basics: V, A, Ω, continuity | Measure line voltage (120V/480V) | | 2 | Clamp meter – measuring current without breaking circuit | Measure motor FLA in a panel | | 3 | Insulation resistance tester (megohmmeter) | Test motor winding insulation | | 4 | Non-contact voltage tester & solenoid tester | Verify absence of voltage | | 5 | Understanding test lead categories (CAT III / CAT IV) | Compare meters for industrial use | wiring diagrams vs
Identify correct PPE for a Category 2 arc flash hazard. Course 2: Multimeter & Electrical Test Equipment Focus: Proper use of DMMs, clamp meters, insulation testers, and voltage testers.
A 50 HP motor trips on overload – megger reading is 2 MΩ at 1000V. Repair or replace? Course 10: Industrial Control Panel Design & NFPA 79 Focus: Panel layout, wire bending space, grounding, and electrical standards.
