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Other contact information
Monday to Friday 8 a.m. - 7 p.m.Saturday 8 a.m. - 4:30 p.m.Sunday & Stat Holidays Closed
The Information on this Page Applies to:
We're working to bring you a better online experience with the Customer Connection Guide. In the meantime,
please use this PDF version of the current Customer Connection Guide (May 2017 version).
Please take a moment to familiarize yourself with
the newest edition of the Customer Connection Guide (effective May 1, 2019).
If you decide that you require an underground secondary service, please complete the
Single-Family Residential Application Form.
Note: The customer owns and maintains all secondary works on private property.
Note: EDTI owns and maintains all revenue metering equipment.
Transformer or pedestal.
As a customer, you or your contractors are responsible for:
Please note that all equipment and conductor locations on the drawing are to be dimensioned from the building and property lines, and given real-world coordinates. Curb lines may also be included.
EDTI Customer Engineering Services will review and accept drawings and the scope of work.
The following horizontal clearances to other utilities from underground service lines and equipment, including padmount transformers, switching cubicles, guardrails, and ground grids, must be maintained:
The location of the meter socket in relation to the main disconnect depends on the voltage. See the
Metering Section (8.0).
Under no circumstances can energized primary cables be moved or handled in any way.
This section applies to areas with a mix of residential and commercial lots that will contain underground power facilities and are designed and built by a developer. While other information on underground secondary services found elsewhere in this guide also applies, the following information is specific to underground residential distribution areas.
The maximum size of service conduit is 100 mm (4 in.) in diameter. See the
Service Ducts Section (4.14) and
Cable Installation Section (4.18) for more details.
If you're looking to increase the size of your electrical service, complete the following procedure:
This section applies to multiple-metered residential service connections where 1-phase padmount transformers and service pedestals are required on the customer's property. While information on secondary services found elsewhere in this guide also applies, the following information is specific to multi-family developments and mobile home parks.
Your next steps are to ensure the metering facilities at your Site are built correctly and to contact an energy retailer of your choosing to apply for power service.
Typical underground residential service installation on property
Sample of submission for multi-family developments(For example purpose only)
Typical underground residential service installation four party trench(Power, Gas, Phone &CATV)
EPCOR 5kV, 15kV, 25kV and downtown engineering distribution areas
Customer's / EDTI's responsibilities
Underground secondary service
Maximum horsepower of motors permitted
Main switch or breaker minimum interrupting capacity
Part 1: Primary cable, duct, and pull box standardsPart 2: Primary cable, duct, and pull box standards examples
Residential and multi-family underground services – Acceptable conductors