OptionalResidentialService

Optional Residential Service Calculations

Ampacity Correction
Temperature Correction
Continuous Load Correction
Conduit Fill Correction
Minimum Number of Circuits
Bus Bar Ampacity
Conductor Resistance
Resistance Change
Motor Disconnect Sizing
Full Load Current Interpolation
Motor Conductor Sizing
Motor Overcurrent Protection
Motor Overload Sizing
Lighting Loads
Fixed Appliance Loads
Range Loads
Range Loads Note 1
Range Loads Note 2
Dryer Water Heater Loads
Heat AC
Standard Residential Service
Optional Residential Service
Standard Multi Family Service
Optional Multi Family Service
Commercial Services
Optional School Services
 
 
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The optional calculation for a residential service is probably one of the easiest. It's just nameplate times a percentage then add heat or ac which ever is larger.

Here are four worksheets of practice problems. Listen to the audio support for direction.

Residential Optional Calculation Worksheet 176    Audio support
Residential Optional Calculation Worksheet 177    Audio support
Residential Optional Calculation Worksheet 178    Audio support
Residential Optional Calculation Worksheet 179    Audio support

 
 

 

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