Reference boundary

Loadcentre label reference only. It does not select a panel, service size, breaker, conductor, or utility connection.

Reference table

Reference common residential and light-commercial loadcentre main breaker rating labels.

Reference basis summarizes common loadcentre main breaker labels from manufacturer catalogue literature.
Loadcentre familyTypical main rating labelsCatalogue contextBoundary
Residential loadcentre100 A, 125 A, 150 A, 200 Amain breaker label family referencelabel reference only; panel rating, service, feeder, and breaker compatibility need product review
Convertible main loadcentremain lug or main breaker kit labelsconvertible catalogue family referencelabel reference only; panel rating, service, feeder, and breaker compatibility need product review
Subpanel / main lug panelmain lugs onlyfeeder panel label family referencelabel reference only; panel rating, service, feeder, and breaker compatibility need product review
Light commercial panelboard100 A to 400 A labelspanelboard catalogue family referencelabel reference only; panel rating, service, feeder, and breaker compatibility need product review
Use notes
  • Use this table for preliminary reference and arithmetic checks only.
  • Confirm equipment ratings, product markings, installation conditions, utility requirements, and the local authority requirements before design or field use.