Iec 60364 Ampacity - 4 Mm2 Copper

If you're still unsure, I'd be happy to help with more specific calculations or provide further guidance!

(several circuits together) – often derates to 0.65–0.80 iec 60364 ampacity 4 mm2 copper

A very specific question!

IEC 60364 is an international standard for electrical installations in buildings, and it provides guidelines for the selection of cables and their ampacity (the maximum current that a cable can carry). If you're still unsure, I'd be happy to

General method for cable sizing - Electrical Installation Guide If you're still unsure