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<blockquote data-quote="TJ Cornish" data-source="post: 107105" data-attributes="member: 162">Re: Crown V-Rack &quot;120v&quot; vs &quot;208&quot; volt settingsThe switch is not auto-ranging; it&#039;s a 5-position manual selector switch that you need to take the Speakon output panel off to get to. The positions are P-P L21-30 in, P-N L21-30 in, P-P CEE-Form in, P-N Cee-Form in, and OFF. The OFF position is equally confusing - not sure what value that has, since you have to remove screws to get there.As to not populating all the wires - you could make an argument that an L21-30P to L14-30R adapter cable is acceptable, but it is ABSOLUTELY NOT acceptable to leave out the neutral wire to an L21-30R. The whole point of the different plug serieses (seri??) is to prevent different mismatched electrical systems from being interconnected. How do you keep Joe Stage Hand from picking up your &quot;special L21-30 cable with no neutral for V-Rack use only&quot; and using that to feed your stage stringers or your video world breakouts?Edit: Oops - you meant network switch. Yes, the switch probably has a universal voltage wall wart. I&#039;ll have to peek inside the one I&#039;m using this weekend to see if it&#039;s wired P-N, but that&#039;s my guess.</blockquote>

[QUOTE="TJ Cornish, post: 107105, member: 162"] Re: Crown V-Rack "120v" vs "208" volt settings The switch is not auto-ranging; it's a 5-position manual selector switch that you need to take the Speakon output panel off to get to. The positions are P-P L21-30 in, P-N L21-30 in, P-P CEE-Form in, P-N Cee-Form in, and OFF. The OFF position is equally confusing - not sure what value that has, since you have to remove screws to get there. As to not populating all the wires - you could make an argument that an L21-30P to L14-30R adapter cable is acceptable, but it is ABSOLUTELY NOT acceptable to leave out the neutral wire to an L21-30R. The whole point of the different plug serieses (seri??) is to prevent different mismatched electrical systems from being interconnected. How do you keep Joe Stage Hand from picking up your "special L21-30 cable with no neutral for V-Rack use only" and using that to feed your stage stringers or your video world breakouts? Edit: Oops - you meant network switch. Yes, the switch probably has a universal voltage wall wart. I'll have to peek inside the one I'm using this weekend to see if it's wired P-N, but that's my guess. [/QUOTE]

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