Disconnect; Circuit Interrupter; Circuit Breaker; Limits (normally open, normally closed, neutral position, maintained position, proximity switch); Liquid Level; Vacuum & Pressure; Temperature; Flow (Air, Water); Foot; Toggle; Cable Operated (Emerg.); Plugging; Nonplug; Plugging w/Lockout Coil; Selector (2-Position, 3-Position), etc.

Title:Electrical Relay Diagram and P&ID Symbols
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Electrical Relay Diagram and P&ID Symbols

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Page edited by E.C. (Google).


  1. Jul
    Apr 23, 2018

    Link is not working. Please fix it

  2. Adnan
    Jan 15, 2018

    download link is obsolete , not working

  3. Idraki Sariyan
    Aug 08, 2017

    hy i found difficult to download the file, could you share me a new link please…

  4. Aldrian
    Sep 21, 2016

    Download link is obsolete. A lot of download link is not working.

  5. prajapati77
    Jul 20, 2012

    Hi this is my first log in and I am finding things which I wanted to update my knowledge and experience.


    May 30, 2012

    download link is obsolete , not working

    • Edvard
      May 30, 2012

      Thanks for noticing, it’s fixed now!

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