Maximum Demand Calculator · AS/NZS 3000 Appendix C · prototype

Aid for licensed electricians. Final design is your responsibility.
Demo factors: the demand rules below are placeholders to show how the tool works, not values from AS/NZS 3000. Enter the real factors from your licensed copy under the Rules tab before using any result.

1 About the installation

Type
Supply

2 Add the loads — tap what is installed

Demand rules (Table C1, domestic)

Each load group has one rule. Fill these from your copy of the standard and read the table notes. Rule types: % of connected, fixed A per item, first item + each additional, full load.