battery connection is too short

Discussion in 'General Electronics Chat' started by screen1988, Jun 6, 2013.

  1. screen1988

    Thread Starter Member

    Mar 7, 2013
    310
    3
    Can anyone tell me what does eblc1388 mean in this: Electronics Tips and Tricks Thread
    [​IMG]
     
    Last edited: Jun 6, 2013
  2. crutschow

    Expert

    Mar 14, 2008
    13,000
    3,229
    I think he's referring to the fact that if you connect two 9V connectors together as shown, the polarity is inverted due to the way the connectors work and if you connect the red to plus on the power supply, the polarity at the circuit will be plus to black and will likely zap the circuit.
     
    screen1988 likes this.
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