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NB Power's electric service is provided in the form of alternating current at a frequency of 60 Hertz (cycles per second).

The nominal service voltages are:

Standard single-phase service:

Secondary voltage:

• 120 volts
• 120/240 volts

Standard three-phase service and combination single-phase and three-phase service:

Secondary voltage:

• 120/208 volts, wye connected
• 347/600 volts, wye connected

Primary voltage, as available:

• 7,200/12,470 volts, wye connected
• 69,000 volts, phase to phase - available for Industrial Service at some locations
• 138,000 volts, phase to phase - available for Industrial Service at some locations

Service at any nominal voltage other than those specified above is considered to be nonstandard. Customers desiring service at nonstandard voltages provide all the necessary facilities to convert a standard service voltage to the desired utilization voltage.

Where two or more NB Power lines are available to serve the Customer's load requirements, NB Power will determine from which line service will be provided to the Customer.

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disclaimer | NB Power - RSP 1 September 2019