#1
Can I use a metal chassis as ground connection between jacks, or should I use a wire?

Which is safer?
DEAD. AIR. SPACE.

Fender American Strat/Tele->Vox V847 Wah->EH LPB-1->BK Butler Tube Driver->Big Muff Pi->MXR Carbon Copy->EH Small Clone->Vox AC30/Orange Tiny Terror/Blues Deluxe RI
#4
Kinda dumb question, but is that safe? LOL
DEAD. AIR. SPACE.

Fender American Strat/Tele->Vox V847 Wah->EH LPB-1->BK Butler Tube Driver->Big Muff Pi->MXR Carbon Copy->EH Small Clone->Vox AC30/Orange Tiny Terror/Blues Deluxe RI
#5
unless you plan on sticking the metal enclosure into an electric socket it's more than safe. it will keep all of the noise and excess crap that you don't want in your signal on the grounds.
Quote by Invader Jim
The questions people ask here makes me wonder how the TS's dress themselves in the morning and can shower without drowning...