Powercord on VPI Turntable & SDS ?

Is it necessary to put an aftermarket powercord on the SDS speed control and another going from the SDS to the turntable,TT being a VPI SSC?

I have never seen mention of aftermarket powercords on turtables and SDS,only on the usual suspects,amps, pre's, cdp's,etc.Should the stock powercords be replaced?

If you did change the pc's, what benefits did you hera from the change