This video shows a detailed, step-by-step approach to an electrical service calculation. The use of a handy table format makes it easy to understand and implement into real-world applications, and likewise is very useful for study and exam prep.
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Timestamps:
00:00 - Intro
01:04 - One-family Formula Table Overview
03:21 - Example Data
03:56 - 220.40 General Layout Of Service & Feeder Calcs
06:22 - 220.41 Minimum Lighting Load
10:14 - 220.52 Small Appliance And Laundry Loads
17:56 - 220.45 General Lighting Load
20:23 - 220.53 Appliance Loads
23:16 - 220.54 Dryers
26:23 - 220.55 Ranges & Cooking Appliances
31:36 - Table 220.55 Notes - Ranges And Cooking Appliances
39:34 - 220.55 Range Total KW
40:34 - 220.51 Heating
42:30 - 220.60 Noncoincident Loads
50:37 - Motors and Air-conditioning Equipment
54:10 - Noncoincident Loads Video
54:35 - Completed Calculation
55:31 - Blank Worksheet Of Table
55:47 - Outro
Electrical, NEC, Exam, Test, Load, 2023, Table, Feeder, Master, Journeyman, Apprentice, Electrician, Calc, Calculation, Service