Don’t risk it — know your wires. When building or renovating your home, understanding electrical cable sizing and load capacity  is crucial to ensure safety, efficiency, and compliance with electrical codes. Let’s break it down into three important levels : Basic Load • Tolerance Maximum • Overload 🔌 1. Basic Load Capacity (Normal Use) This is the standard current  a cable can carry safely 24/7  without overheating. For example: 2.0 mm² copper wire  (commonly used for lighti