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flat5 · 12-19-2004, 11:09 AM

A little knowledge is a dangerous thing.

"NOT TRUE! Although you're correct that there's no fixed polarity, the device may be polarized, expecting the "hot" wire in the cord to be connected in a certain fashion. It may be this way so that the device can ensure that the fuse is the first thing that voltage reaches in the device, for example."

This has nothing to do with the output of the adapter - which is the part that connects to the load/thing you want to power.

Except for the ground, plug polarity has not been too important since AC/DC radios :-)
If there is input isolation (like a transformer) you're ok.
As far as who gets to the fuse first - how do you guarantee that if the source is AC anf its going to a transformer (not a diode)?

12-19-2004, 11:09 AM	#13 (permalink)
flat5 Very Insignificant Pawn Location: Amsterdam, NL	A little knowledge is a dangerous thing. "NOT TRUE! Although you're correct that there's no fixed polarity, the device may be polarized, expecting the "hot" wire in the cord to be connected in a certain fashion. It may be this way so that the device can ensure that the fuse is the first thing that voltage reaches in the device, for example." This has nothing to do with the output of the adapter - which is the part that connects to the load/thing you want to power. Except for the ground, plug polarity has not been too important since AC/DC radios :-) If there is input isolation (like a transformer) you're ok. As far as who gets to the fuse first - how do you guarantee that if the source is AC anf its going to a transformer (not a diode)? Last edited by flat5; 12-19-2004 at 11:11 AM..