Load calculations for row-housing

Information Bulletin

Information Bulletin: Load calculations for row-housing - Rule 8-200(2) (duplexes, triplexes, quadruplexes, townhouses and single family dwellings with secondary suite

October 5, 2022

Information Bulletin

Reference Number:

IB-EL 2014-01

Revision Number:

Revision 3

The following bulletin provides guidance on the application of rules pertaining to the 2021 BC Electrical Code Regulation. The requirements of local municipal authorities having jurisdiction may vary. Installers should consult with local authorities having jurisdiction, prior to undertaking work, to determine their requirements.


This Bulletin provides clarification on rule 8-200(2), the calculation of the minimum ampacity of service or feeder conductors supplying two or more dwelling units of row-housing and includes single dwellings with secondary suites. (Note: Where it is intended to incorporate a secondary suite in a single dwelling, installers are advised to consult with the local authority having jurisdiction for Building Code requirements.)

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