Newsgroups: sci.electronics
Path: utzoo!henry
From: henry@utzoo.uucp (Henry Spencer)
Subject: Re: bizarre X10 problem
Message-ID: <1989Feb27.172222.17672@utzoo.uucp>
Organization: U of Toronto Zoology
References: <8902230357.AA04335@jade.berkeley.edu> <7334@killer.DALLAS.TX.US>
Date: Mon, 27 Feb 89 17:22:22 GMT

In article <7334@killer.DALLAS.TX.US> royf@killer.DALLAS.TX.US (Roy Frederick) writes:
>The circuit is a 60 cycle notch filter. One leg has DC
>continuity - so you must be sure that that leg is connected
>in the neutral line - else sparks will fly when you connect
>to your scope!  It might be prudent to measure between that line
>and your scope ground before making the connection just to be
>sure.

It *would* be prudent.  More prudent would be to avoid using circuits
designed by the ignorant.  Neutral is not ground.  NEUTRAL IS NOT GROUND!
---> ***NEUTRAL IS NOT GROUND!!!*** <---
-- 
The Earth is our mother;       |     Henry Spencer at U of Toronto Zoology
our nine months are up.        | uunet!attcan!utzoo!henry henry@zoo.toronto.edu