[Amps] First, CHECK the WIRING !!! -- was: SB-220 troubles

Radio WC6W wc6w_amps at yahoo.com
Fri Feb 13 12:25:16 PST 2009


It is always wise to "check the wiring" on any device of unknown history.

I offer the following example:

  Late in the last millennium, I sold an electric clothes dryer (240V), through a classified ad (remember those? pre-Craigslist?) to a person of minimal intelligence.  He returned the unit saying that it wouldn't dry.  

  I plugged it in to the outlet where it had previously functioned and while the motor turned, it indeed wouldn't dry. I refunded his money and sent him on his way.

  Then, I noticed a slight tingling whilst touching the cabinet.  I opened the unit and observed that the line cord was incorrectly connected with frame ground and one phase of the line interchanged.  I corrected this fault and the unit again functioned.

  I can only surmise that this "buyer" had swapped to a different cord to match some plug at his locale and then reinstalled the original cord when he returned the unit and ...  connected both of them incorrectly, or the dryer would have worked at his locale, and I wouldn't be sharing this tingling experience.

73 & Good morning,
  Marv  WC6W

http://wc6w.50webs.com/




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