Disclaimer: This blog is for informational purposes. Electrical work is dangerous. Always consult a licensed electrician and adhere to your local building codes (NEC, CEC, or BS 7671).
An uses the following formula (simplified) to prevent this: electric cable size calculator
Here is why you need one, how it works, and why "eyeballing it" is never worth the risk. Electricity flowing through a wire generates heat. Every wire has a resistance. The smaller the wire (thinner copper), the higher the resistance. Disclaimer: This blog is for informational purposes
We’ve all been there. You’re hanging that new high-end oven, installing a powerful air conditioning unit, or finally wiring that detached workshop. You head to the hardware store, stare at the massive reels of cable, and think: "Does this need 10-gauge or 12-gauge?" how it works