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    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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