Question 1

How do you convert kilowatts to amps?

Accepted Answer

For DC: A = kW × 1000 ÷ V. For AC single-phase: A = kW × 1000 ÷ (V × PF). For 3-phase: A = kW × 1000 ÷ (V × √3 × PF).

Question 2

Why does power factor matter?

Accepted Answer

Power factor (PF) is ratio of real to apparent power. Low PF means more current needed for same real power.

Question 3

What's the relationship between volts, amps, and watts?

Accepted Answer

Power (Watts) = Voltage (Volts) × Current (Amps). To find any value, divide or multiply: Amps = Watts/Volts, Volts = Watts/Amps.

Question 4

Is AWG or metric wire gauge better?

Accepted Answer

AWG (American Wire Gauge) uses arbitrary numbers where smaller = thicker. Metric (mm²) directly indicates cross-sectional area, making calculations easier.

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