Common Electrical Formulas and Symbols

Below are some resources that provide key information regarding common electrical formulas and symbols used in control panel design and drawings.

Common Electrical Formulas

Electrical formula key
Ohm's law and power formulas
AC and DC voltage formulas
Three phase voltage values
AC efficiency and power factor formulas
Voltage drop calculations
Measurement conversions
Temperature conversions

Common Electrical Symbols

Common electrical symbols
Common electrical symbols
Common electrical symbols

Sources: https://www.engineeringtoolbox.com/electrical-formulas-d_455.html, Siemens quickSTEP Online Courses – Basics of Control Components

Julyann Tu is an application engineer for AWC, Inc. in the Houston, TX office. She is a Certified Siemens Technology Specialist for Factory Automation and a SITRAIN Certified Instructor for TIA Portal Programming 1. With over 8 years of experience in industrial automation, she has a BS in Industrial Engineering from Texas A&M University and an MBA from University of Houston-Clear Lake.

Julyann Tu

App Engineer/
Tech Support

Julyann Tu

App Engineer/
Tech Support

Julyann Tu is an application engineer for AWC, Inc. in the Houston, TX office. She is a Certified Siemens Technology Specialist for Factory Automation and a SITRAIN Certified Instructor for TIA Portal Programming 1. With over 8 years of experience in industrial automation, she has a BS in Industrial Engineering from Texas A&M University and an MBA from University of Houston-Clear Lake.
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