Phase 1: ELECTRICAL FUNDAMENTALS
This phase contains 10 sections and 104 checklist topics. Use the interactive phase page to track your own learning progress.
1.1 Electricity
- What is electricity?
- Electric charge
- Electron
- Proton
- Neutron
- Positive charge
- Negative charge
- Electron flow
- And 15 more checklist topics
1.2 Voltage
- What is voltage?
- Potential difference
- Voltage as electrical pressure
- Voltage source
- AC voltage
- DC voltage
- Supply voltage
- Control voltage
- And 7 more checklist topics
1.3 Current
- What is current?
- Ampere
- Direction of current
- AC current
- DC current
- Rated current
- Starting current
- Full-load current
- And 4 more checklist topics
1.4 Resistance
- What is resistance?
- Ohm
- Why resistance exists
- Effect of wire length
- Effect of wire size
- Effect of material
- Effect of temperature
- Series resistance
- And 2 more checklist topics
1.5 Ohm's Law
- V = I × R
- I = V / R
- R = V / I
- Simple calculations
- Practical control-circuit calculations
1.6 Power
- Watt
- Kilowatt
- P = V × I
- DC power
- AC power
- Three-phase power basic
- Motor power
- Load power
- And 1 more checklist topics
1.7 Energy
- Watt-hour
- Kilowatt-hour
- Power vs energy
- Electricity consumption
1.8 Frequency
- Hertz
- Cycle
- Time period
- 50 Hz
- 60 Hz
- Frequency and AC
- Frequency and motor speed
1.9 Measurement Tools
- Digital multimeter
- Clamp meter
- Voltage mode
- Current mode
- Resistance mode
- Continuity mode
- Test leads
- Correct meter range
- And 1 more checklist topics
1.10 Safety
- Electric shock
- Short circuit
- Overcurrent
- Earthing
- Insulation
- Fuse protection
- Isolation
- Lockout/Tagout basic
- And 2 more checklist topics