Personally I'd say it won't hurt to ground those rails...
But let's see what Dieter has to say.

On Tue, Jun 5, 2012 at 6:19 PM, Sander Schuurman < sander@... > wrote:
> Hi,
>
> I've assembled the Doepfer A-100 DIY Kit #1 in a wooden Ikea Rast cabinet.
> When connecting the Transformer to the power supply board a question came into my mind.
>
> In the instructions it says for the ground connection -> "housing (only if a metal case is used)".
> I'm having a wooden cabinet, but inside I'm not using the doepfer rails, but a 19" rackmount rail, and it has quit a bit of aluminum.
>
> Do I need to connect the ground to that then
> Or if not, where should I connect the ground to… Or nowhere at all
>
> thnx,
> ---
> Sander Schuurman
> sander@...
> @sentoplene
>
>
>
> [Non-text portions of this message have been removed]
>
>
>
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