Range Calculations NEC 220.55 - Deep Dive 2023

Learn how to calculate range loads for a service or feeder in a very easy and straight-forward way. Use the formulas given in this video to quickly get your totals for load calcs. Table 220.55 is a breeze with the proper understanding, and we will give that to you here.

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Timecodes
0:00 - Intro
0:40 - Code Cycle By State
01:17 - 220.55 Text: 1st Paragraph
03:02 - Table 220.55: Range Calcs
06:15 - Note 3 to Table 220.55
09:02 - Example: 1 Range, Column C
10:18 - Example: 4 Ranges, Column C
11:09 - Example: 1 Range, Column A or B
11:54 - Example: 4 Ranges, Column A or B
13:05 - Example: 4 Ranges, Columns A & B
14:55 - Notes 1 & 2 to Table 220.55 Overview
15:55 - Note 1 Formula & Examples - Equal Rating
18:28 - Note 2 Formula & Example (over 12kW) - Unequal Rating
20:29 - Note 2 Example (under 12kW) - Unequal Rating
22:00 - Notes Overview
22:19 - 220.55 Text: 2nd Paragraph
22:57 - 1-phase Ranges on a 3-phase Feeder Explained
24:02 - 3-phase Formula Table
26:59 - 3-phase Example: 9 Ranges
28:11 - Other Resources
29:09 - Outro








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