Wire Size Calculator

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MCB & Wire Size Calculator

IS 732 / IS 60898 · 230V · Per-Appliance Wire Guide

✅ IS 732 Standard

🔌 IS 60898 MCB

⚡ 1.25× Safety Factor

🔶 Per-Appliance Wire Guide

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Appliance

Watts ✏️

Qty

Total

⚡ Quick Add

Supply Voltage

Wiring Type

Diversity Factor: 0.80

0.5 (Low use)1.0 (Full load)

Daily Usage Hours hrs/day

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Results

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Add appliances & click
Calculate
to see MCB, wire size & per-appliance wire guide.

⚠️ Guidance only. Final installation must be done by a licensed electrician. IS 732 & IS 60898.