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In a message dated 9/17/03 11:10:39 AM Eastern Daylight Time, [EMAIL PROTECTED] writes: > Every second A&P I've asked about this gives the > opposite answer as to whether this is correct labeling > and nomenclature or not :-) Look at it this way: When the switch is in the "Both" position, they're both ON (switches open), right? So, when it's in the Left position, the left mag should be ON, right? So the left mag SWITCH should be OPEN (OK, off). It doesn't matter in flight, but it is confusing and potentially dangerous if it doesn't work as expected when, say, someone's working on a mag... So, if your mag switch is wired backwards, and you've been fixing the wrong mag... RE: toggle switches, many old aircraft positioned toggle switches so that when pressed down they were "ON", so the mag switches you describe operate as expected, but are in fact installed upside down to make this happen... ;~) John ========================================================================== ==== To leave this forum go to: http://ercoupers.com/lists.htm Search the archives on http://escribe.com/aviation/coupers-tech/
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