BUILDER'S REFERENCE

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  • If you build electrical projects, you might find the information on this page useful.  

    Resistor Color Code
     

    FIRST AND SECOND COLOR BAND

    Black 0
    Brown 1
    Red 2
    Orange 3
    Yellow 4
    Green 5
    Blue 6
    Violet 7
    Gray 8
    White 9
     

    THIRD COLOR BAND

    Black x1
    Brown x10
    Red x100
    Orange x1k
    Yellow x10k
    Green x100k
    Blue x1 Meg
    Silver div 100
    Gold div 10
     

    FOURTH COLOR BAND (tolerance)

    Gold 5%
    Silver 10%
    None 20%
     

    Barrel-Type Connector Convention

    TIP POSITIVE
    - ----------(o----------- +

    TIP NEGATIVE
    + ----------(o---------- -

     
  • This page of the CAP Emergency Services Resources website was last updated 02/04/2007

    1998 - 2007 Scott E. Lanis.  All Rights Reserved.