Reference boundary

Hydro One source-navigation only. It does not publish approved-device lists, dimensions, requirements, transfer-device rules, or approval outcomes.

Reference table

Point to Hydro One public source pages relevant to approved meter-mounting-device review.

Reference basis uses Hydro One Builders & Contractors navigation, CSA-Approved Meter-Mounting Devices Rev. 19.8 June 2026, and the Retail Metering Guide May 2026.
Source areaCurrent sourceReview useBoundary
Builders & ContractorsHydro One Builders & Contractors - Services & MeteringUse this as the current Hydro One entry point for services, metering, and standards navigation.source-navigation only; no device list, dimension, or approval outcome is reproduced
CSA-approved devicesCSA-Approved Meter-Mounting Devices, Rev. 19.8 June 2026Use this as the current device-list source before procurement or project review.source-navigation only; no approved model, transfer-device rule, or suitability decision is reproduced
Retail Metering GuideHydro One Retail Metering Standards Guide, May 2026Use this guide source to connect device-list review with Hydro One metering standards context.source-navigation only; no metering requirement, configuration, or installation instruction is reproduced
Use notes
  • Use this table only for source-navigation and current source-area review.
  • Confirm the current source document, product marking, utility page, or authority guidance before any design or field decision.