[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]


>Date: Thu, 13 Jan 2000 18:41:28 -0600
>From: Rod Hanks <rhanks at benchbuilt_com>
>Subject: re: Ballast grounding & GFIs
>> The GFI will NOT protect you under the following conditions(just a
>> sample):
>>         -Contacting both the 'line' and 'neutral' conductors.
>>         -Contacting the output of a ballast or transformer (since they
>> isolate)
>This sounds good but I don't think it can be good.  Once when I
>was troubleshooting a homebuilt florescent light hood that used
>an IceCap ballast I came in contact with the wrong parts of the
>bulb end.  I was miles from the current ballast, and contacted
>only its output I am positive.
>The sensation was not pleasant, but there were three GFCI
>units in series between me and the main circuit breaker.  All
>three of them blew.  I was fortunately not injured.
>I don't understand how GFCI's work, but I won't touch a circuit
>that doesn't include one.  And there probably ARE some
>conditions under which they won't protect me.  But I still
>don't know what they are.

I thought you just needed one, closest to the fuse box.


Richard J. Sexton                                         richard at aquaria_net
Maitland House, Bannockburn, Ontario, Canada, K0K 1Y0       +1 (613) 473 1719