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Resources & Guides

Learn the basics before starting a repair

Electrical Calculators

Quick reference math — always confirm with a meter before touching anything live

Fill in any two known values (leave the rest blank) and it solves for the other two using V=I×R and P=V×I.

Approximate copper wire ampacity in free air at ~30°C ambient. Local electrical code, insulation type, run length and bundling all change the safe rating — this is a starting reference, not a substitute for code tables.

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