[Elecraft] 2.5mm DC power plug ?

[Clint Sprague]

I'm drawing a blank on this question, even though I
have seen
the answer somewhere before. 
 
I have a 2.5mm DC female coaxial power plug moled on a
cord.  One of the leads on the cord has a white line
... does this white line designate the center pin on
the plug?  12VDC needs to be on the center pin, so I
need to make sure I install the power pole connectors
on the power souce end correctly.

Thanks again for your replies,

73,
Clint - WS1V

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