Distribution Technical Standards and Guides


Residential Service Connection Requirements

Title Issue date Effective date
Overhead Service Requirements [PDF, 103 KB] August 2015 August 2015
Underground Service Requirements [PDF, 142 KB] August 2015 August 2015

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Primary Guide: Requirements for customer-owned primary services supplied at 4kV to 35 kV

Title Issue date Effective date
Primary Guide 2017 [PDF, 10.6 MB] March 2018
July 1, 2018
Information Bulletin – Formal Release of Primary Guide 2017 Edition [PDF, 537 KB] March 2018 March 2018
Primary Guide 2010 [PDF, 6.5 MB]

Available for reference until July 1, 2018.
2010 2010

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Distribution Standards

Title Issue date Effective date

ES43 Overhead Electrical – Section B and C – Secondary attachments to wood poles

ES43 B1 – Distribution Pole Attachment [PDF, 4.3 MB] 2012 2012
ES43 C1 – Distribution Pole Attachment [PDF, 4.3 MB] 2012 2012
ES43 C2 – Distribution Pole Attachment [PDF, 1.9 MB] 2012 2012

ES43 Overhead Electrical – Section G

ES43 G1-11 – Equipment Boxes on Poles [PDF, 4.2 MB] March 2018 March 2018

ES43 Overhead Electrical – Section N – Secondaries and services

ES43 N0 – Table of Contents [PDF, 807 KB] November 2012 November 2012
ES43 N1 – General [PDF, 1.7 MB] November 2012 November 2012
ES43 N2 – Service Connections [PDF, 2.3 MB] November 2012 November 2012

ES43 Overhead Electrical – Section R

ES43 R2-01 – Bonding and Grounding Ground Electrode Installations Ground Rods at Wood Poles and Multiple Ground Rods [PDF, 1.2 MB] March 2018 March 2018

ES53 Underground Electrical – Section S – Services

ES43 S0 – Table of Contents [PDF, 1.2 MB] July 2003 July 2003
ES43 S1 – Secondary Services Single Phase [PDF, 1.3 MB] July 2017
July 2017
ES43 S2 – Secondary Services Three Phase [PDF, 1.7 MB] March 2011 March 2011
ES43 S3 – Primary Services [PDF, 1.3 MB] November 2014
November 2014
ES43 S4 – Ornamental street lighting services up to 50A [PDF, 444 KB] October 2003 October 2003
Information Bulletin – Equipment and Connection Changes for Secondary Underground Customer Services, 120/240 V up to 600 A, Single-Phase [PDF, 1.8 MB] July 2017 July 2017

ES54 Underground Civil

ES54 2016 Underground Civil Manual [PDF, 23.1 MB]

  • ES54 Revision Record (March 1, 2018) [PDF, 51 KB]
    This document contains details of the most recent revisions made to the ES54 standards since the current manual was printed in 2016. If you have a printed version of the manual, please ensure you download the revisions and update your book.
March 2016 March 2018

ES54 2004 Underground Civil Manual [PDF, 52.8 MB]

Available for reference only. Not to be used for new construction.

May 2004 May 2004
Information Bulletin – Pad-mounted Transformer Installation on Private Property (R3) [PDF, 1.0 MB] March 2018 March 2018
Caution Bulletin – Safe Lifting of 555, 332, 632, 832 and 1232 Boxes [PDF, 1.7 MB] November 2017 November 2017
Information Bulletin – ES54 B3-03 and B3-04 for Sidewalk Duty Lightweight Service Boxes [PDF, 559 KB] November 2017 November 2017
Information Bulletin – Ground rod connector stock no longer held as a separate item at AE Concrete Ltd. plant storage [PDF, 1.6 MB] October 2017 October 2017
Information Bulletin – Revisions to Grounding Standards and Installation of Precast Grounded Bollards [PDF, 2.1 MB] September 2017 September 2017
Information Bulletin – Revisions to Customer-Owned Primary Services, Indoor and Outdoor Type, Underground Supply [PDF, 1.5 MB] August 2017 August 2017
Information Bulletin – BC Hydro-Owned Switchgear Inside Customer-Owned Buildings [PDF, 1.8 MB] August 2017 August 2017
Information Bulletin – Concrete Encasement of Customer Service Ducts inside Customer-Owned Buildings [PDF, 1.6 MB] April 2017 April 2017
Information Bulletin – Dead Front Switchgear Outdoor-Type Kiosk for Customer-Owned Primary Services [PDF, 6.6 MB] March 2017 March 2017
Information Bulletin – Banned Collar-Type Transfer Switch for 120/240 V Meter Socket Services – Reaffirmed [PDF, 2.9 MB] February 2017 February 2017
Information Bulletin – Transfer Switches for Secondary Customer Services Emergency Standby Generators – Reaffirmed [PDF, 1.9 MB] June 2016 June 2016
Information Bulletin – 4-Way and T-Type Pull and Splice Vaults, R3 [PDF, 2.2 MB] January 2016 January 2016
Information Bulletin – Cast Iron Replacement and New Covers [PDF, 1.4 MB] December 2015 December 2015

ES55 Design Standards – Section E – Overhead Line Design – Pole Foundation

ES55 E3-04 Guide for Civil Excavation near Distribution Poles [PDF, 1.7 MB] February 2018 February 2018
Information Bulletin – Guide for Civil Excavation near Distribution Poles [PDF, 531 KB] March 2018 March 2018

ES55 Design Standards - Section Q - Power Quality Standards - General

ES55 Q1-02 – Electromagnetic Compatibility [PDF, 1.7 MB] January 2015 January 2015
ES55 Q1-04 – Apparent Power [PDF, 2.1 MB] February 2017 February 2017

ES55 Design Standards – Section Q - Low-Voltage Customer Emission Limits: Requirements for customer emissions when supplied at 120 V to 600 V

ES55 Q3-04 Rapid Voltage Changes (RVCs) [PDF, 2.4 MB] December 2016 December 2016
ES55 Q3-05 Voltage Flicker [PDF, 2.4 MB] December 2016 December 2016
ES55 Q3-07 Voltage Unbalance [PDF, 2.4 MB] December 2016 December 2016

ES55 Design Standards - Section Q - Medium-Voltage Customer Emission Limits: Requirements for customer emissions when supplied at 4 kV to 35 kV

ES55 Q4-04 Rapid Voltage Changes (RVCs) [PDF, 2.4 MB] December 2016 December 2016
ES55 Q4-05 Voltage Flicker [PDF, 2.4 MB] December 2016 December 2016
ES55 Q4-07 Voltage Unbalance [PDF, 2.4 MB] December 2016 December 2016
ES55 Q4-09 Current Harmonics [PDF, 2.4 MB] December 2016 December 2016

Class of Work Specifications

Construction of Underground Electrical Distribution Structures by a BC Hydro Contractor (No. 1322 R10) [PDF, 1.2 MB] July 13, 2016 July 13, 2016
Construction of Underground Electrical Distribution Structures by a Customer (No. 1323 R9) [PDF, 1.2 MB] July 13, 2016 July 13, 2016
Information Bulletin – Backfill, R1 [PDF, 1.4 MB] February 2015 February 2015

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Revenue Metering Requirements

Title Issue date Effective date
Secondary Voltage Revenue Metering – 750 V and less [PDF, 2.1 MB] March 2015 March 2015
Builders Scope for Conduit Installation for BC Hydro Meter Communications [PDF, 1.4 MB] January 2016 January 2016
Manually Read Primary Service Voltage Revenue Metering – 4 kV to 35 kV [PDF, 1.5 MB] June 2004 June 2004
Complex Revenue Metering [PDF, 1.6 MB] March 2014 March 2014

Advisory notice: Multiple occupancy metering requirements and resale of electricity

The purpose of the advisory notice [PDF, 18 KB] is to draw the attention of developers and owners of multiple occupancy buildings, and their electrical consultants and contractors to the requirements of BC Hydro's Electric Tariff [PDF, 7.8 MB] in relation to the electricity supply and metering configurations applicable to these buildings.

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Distribution Generator Interconnections Technical Requirements

Title Issue date Effective date
Distribution Generator Interconnection Requirements [PDF, 560 KB] 2010 2010
Distribution Generator Interconnection Requirements Amendment 1 [PDF, 43 KB] October 15, 2015 October 15, 2015
Amendment 2 Requirements for terminals supplying ships capable of running in parallel with BC Hydro (CTT Shore Power) [PDF, 407 KB] October 17, 2017 October 17, 2017
Distribution Power Generator Islanding Guidelines [PDF, 143 KB] June 2006 June 2006
100 kW and Below Distribution Generation Interconnection Requirements [PDF, 599 KB] October 17, 2014 October 17, 2014

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