Mathematics · Electrical Load Estimation
Estimate the required current-carrying capacity of a conducting wire from the meter to the main distribution board. The board feeds three light/fan circuits of 800 W each and two 15 A power circuits of 1.5 kW each. The safety factor is 1.5, the power factor is 0.8, and the system voltage is 240 V.
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 142.2 A✓
- 265 A
- 330 A
- 450 A
Correct answer
42.2 A
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