I'm a bit familiar with electrical wiring, so I get it (but only because you now say it).
(You don't have ground - black?)
But must they be full on FF ??
I'm more a programmer, so I'm hoping others will join in and I'll learn something.
I thinking about where the colors could be used
Navigation "Tabs" ?
Is there an existing Logo? If so, how does that fit into the palette?
Have you come up with an idea for the site's navigation structure?