Cable Size Chart Jun 2026

When we talk about cable size, we are talking about the metal conductor inside the insulation (usually copper or aluminum).

(20-25% for continuous load). 13A × 1.25 = 16.25A → Round up to 20A. cable size chart

the ampacity that exceeds your required current. For 20A → 2.5 mm² copper. When we talk about cable size, we are

Cable sizing typically follows two primary measurement systems depending on the region: When we talk about cable size

Predominantly used in North America, where higher gauge numbers indicate smaller wire diameters.