PCB RJ logo

Discussion in 'General Electronics Chat' started by Robin Mitchell, Sep 26, 2016.

  1. Robin Mitchell

    Thread Starter Distinguished Member

    Oct 25, 2009
    869
    291
    Hi all,

    Many PCBs I have looked at have a backward R and J symbol. What does this mean?

    [​IMG]

    All the best.
    Robin
     
  2. RichardO

    Senior Member

    May 4, 2013
    2,209
    853
    It is a UL (Underwriters Laboratories) certification logo.



    [​IMG]
     
  3. wayneh

    Expert

    Sep 9, 2010
    14,616
    5,160
    See here the distinction with the UL mark. Component versus entire product.
     
    RichardO likes this.
  4. Robin Mitchell

    Thread Starter Distinguished Member

    Oct 25, 2009
    869
    291
    Rubbish that's an L and U!

    Thank, I always wondered what that was :D
     
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