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Electrical Load Calculation

How to Calculate Electrical Load for Your Home or Shop — A Beginner’s Guide

Knowing your electrical load is crucial before installing appliances or running new wiring. This guide will help you understand how to calculate your load needs easily and accurately.

What is Electrical Load?

Electrical load is the amount of power (in watts) consumed by all the devices and appliances connected to a circuit. Overloading your circuits can cause short circuits or fire hazards.

Steps to Calculate Electrical Load

  • Add up the wattage of all items to get the total load.
  • Divide total watts by the voltage (e.g., 220V in Nigeria) to find the total current in amperes.
  • Compare the result with the circuit's rating to avoid overload.
Example: A fridge (300W), a fan (70W), and a TV (120W) = Total: 490W. 490W ÷ 220V = 2.23 Amps. Safe for a 10A circuit.

Why It Matters

  • Prevents fire risks and overload.
  • Makes future expansion easy and safe.
  • Helps you buy the correct size cables and breakers.

Conclusion

Don’t guess your electrical needs—calculate them! If unsure, consult a certified electrician to ensure your home or shop is powered safely.

Need help? Contact us for expert installation and consultation. Let’s light up your world, safely!

  • List all appliances and their power ratings (usually found in watts).

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