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Old 24th November 2005, 05:01 PM   #1
kennethrl is offline kennethrl  United States
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Question Switch

I am making a BOSOZ. For the power switch.. is it OK just to open one leg of the 120v or is it best to open both?
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Old 24th November 2005, 05:37 PM   #2
Alain Dupont is offline Alain Dupont  France
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kennethrl,

>> OK just to open one leg of the 120v

If you use a single power switch -> check to cut the hot wire...

with a double power switch, you'll get no more advantages.

Regards.
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Old 24th November 2005, 05:39 PM   #3
pinkmouse is offline pinkmouse  Europe
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Best practice is to switch both live and neutral.
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Old 24th November 2005, 05:42 PM   #4
chipco3434 is offline chipco3434  United States
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Quote:
Best practice is to switch both live and neutral.
I usually do but I don't know why.

Why?
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Old 24th November 2005, 05:46 PM   #5
hifimaker is offline hifimaker  United States
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Sometimes the power socket in the wall is wired backwards (neutral and hot switched). If someone is using a cheater to convert a 3 prongd plug to a 2 pronged plug, it can be inserted upside down and thus switch the hot and neutral.

-David
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Old 24th November 2005, 06:14 PM   #6
chipco3434 is offline chipco3434  United States
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Ah hah! The backfeed from a neutral.

That's why I'm a sissy and always disconnect the mains before working on the 110V stuff.
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