Reference tool. Verify all calculations against the current edition of the Canadian Electrical Code and applicable provincial amendments.
Calculation Type & Service
Basic Demand Load
Rule 8-200(3)(a)
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Electric Range
Rule 8-200(3)(b)
kW
--
6,000 W base. If nameplate > 12 kW, add 40% of excess.
Space Heating & Air Conditioning
Rule 8-200(3)(c)
kW
--
Uses the LARGER of heating or A/C demand. Heating: first 10 kW at 100%, rest at 75%.
Electric Water Heater
Rule 8-200(3)(d)
kW
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Electric Clothes Dryer
Rule 8-200(3)(e)
kW
--
25% of nameplate, minimum 5,000 W applied.
Additional Equipment
Breaker Schedule
EV charger, pool/hot tub, sauna, kitchen equipment, sign lighting, etc.
0 W
Calculated Demand & Service Size
Residential
| Load Component | Demand (W) |
|---|
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Minimum Service Required