Either way you calculate it, if the calculated demand is 50A or less, a 14-50R receptacle is used.
For a range from the CEC (would like to see if NEC is different)
8kW when the range does not exceed 12kW
or 8kW plus 40% of the amount that the range exceeds 12kW.
Is your way different? Just curious
We have a 5% increase for each kW over 12 kW.
1. Over 12 kW through 27 kW ranges all of same rating. For ranges individually rated more than 12 kW but not more than 27 kW, the maximum demand in Column C shall be increased 5 percent for each additional kilowatt of rating or major fraction thereof by which the rating of individual ranges exceeds 12 kW.