I took your recommendation on this and ordered some to have on hand.

Quote Originally Posted by JonInWA View Post
As recommended by High Power aficionado Ken Reed on the highpowercollectors.com board. these red fiber insulating washers for electronics seem to work quite well, hopefully without the deterioration that seems to occur with rubber-based O-ring type washers: Uxcell 100Pcs 3 x 6 x 0.5mm Fiber Motherboard Insulating Washers Red, available from Amazon, currently available for $2.66, with free shipping (but a bit slow-apparently they're made in China, transshipped to a distributor in the Philippines, and then sent by regular post to the buyer).

Best, Jon