[NJARC] Plug Polarity

Aaron Hunter ahunter01 at comcast.net
Fri Oct 19 19:36:24 EDT 2007


Scott

Polarity would not be important in this case but I would tend to connect 
the narrower prong to the on/off switch so the transformer would not be 
"hot" when switched off.

Just my two cents.

Aaron

Scott Roberts wrote:

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>_______________________________________________
>Hi Everyone-
>
>While I'm recapping the SX-111 Mk1(coming along
>nicely, thanks to a tip from Al) I decided to replace
>the slightly dodgy looking power cable. I am using a 
>nice newer 16/2 cord with a moulded plug, which is, of
>course, polarized. I am wondering which side of the
>wiring should get the wide tab-(It is 2 prong, not a
>3)
>
>The set is not an AC/DC, and the wires feed a
>transformer . One wire goes through the on/off switch
>to the transformer, and separate branch goes through a
>fuse and then a large wirewound resistor(2k,8w) then
>into the other power cord wire. The other wire goes
>through to the transformer. Both sides have caps to
>ground.
>
>An easier to picture description would be a large
>capital "H" lying on its side, with the transformer at
>one side, and the plug at the other. The switch would
>be between the trans. and plug on one side, and the
>connector between the two sides would be a fuse and
>resistor. And, of course, a .01uf cap from each side
>to ground.
>
>Is polarity important on this set, or can I just
>connect the power wire at random? If so, I'd put the
>wide pin on the switch side...
>
>Thanks!
>Scott
>
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