Wichard U-Bolt Pad Eye - 10mm Diameter - 25/64" - 90mm Length - 3-35/64" [6515W] Brand_Lopolight You can also use this

You can also use this hefty little block to combine the ground wires of four (4) sources to a single grounding point

Porta Potti 550P MSD

The rear cover insulating the rear terminals against any short circuits

Made in France

Wichard U-Bolt Pad Eye - 10mm Diameter - 25/64" - 90mm Length - 3-35/64" [6515W] Brand_Lopolight You can also use thisU Bolt Pad Eye 10mm Diameter 25 64" 90mm Length 3 35 64" Features: Fully drop forged product with high quality stainless steel Outstanding working and breaking loads For any kind of fastening applications (shrouds, lifelines, blocks) Delivered with bolts and counter plate Max tightening torque: 36 Nm Applications: Various fastening applications: shrouds, lifelines, blocks Specifications: Materials: 316L stainless steel grade Working load: (lb) 7930