Quick Formula Guide Based on the 2020 National Electrical Code

Builders Book; Inc.

ISBN 10: 1622709012 ISBN 13: 9781622709014

Publisher: Builders Book, Inc., 2020

Synopsis

Quick Formula Guide Based on the 2020 National Electrical Code

This 8-page Quick Formula guide contains 15 important tables based on the National Electrical Code 2020. The Quick Formula guide fits anywhere, it comes in a handy 4.3 x 5.5 zize.

Includes:

• Table 250.66 Grounding Electrode Conductor for
• Alternating-Current Systems
• Table 250.102(C)(1) Grounded Conductor, Main Bonding Jumper, System Bonding Jumper, and Supply-Side Bonding Jumper for Alternating-Current Systems
• Table 250.122 Minimum Size Equipment Grounding Conductors for Grounding Raceway and Equipment
• Table 310.15(B)(1) Ambient Temperature Correction Factors Based on 30°C (86°F)
• Table 310.15(C)(1) Adjustment Factors for More Than Three Current-Carrying Conductors
• Table 310.16 Ampacities of Insulated Conductors with Not More Than Three Current-Carrying Conductors in Raceway, Cable, or Earth (Directly Buried)
• Table 314.16(A) Metal Boxes
• Table 314.16(B) Volume Allowance Required per Conductor
• Table 430.248 Full-Load Currents in Amperes, Single-Phase Alternating-Current Motors
• Table 430.250 Full-Load Current, Three-Phase Alternating-Current Motors
• Full Load Current Table Single Phase Transformer
• Formulas for Power Factor
• Electrical Standard Formulas

Edition details

• Publisher: Builders Book, Inc.
• Publication date: 2020
• Language: English
• ISBN 10: 1622709012
• ISBN 13: 9781622709014
• Binding: Pamphlet
• Number of pages: 8