What standard thread size do Creative-Cables lighting components use?
Our components are M10 (10mm) threaded and work compatibly with each other and with standard 10mm mounting holes.

Our components are M10 (10mm) threaded and work compatibly with each other and with standard 10mm mounting holes.

For holes larger than 10mm, use washers sandwiched together on either side of the hole to secure the 10mm cable clamp firmly in place.
We sell specialized metal and electrical washers here.
Cable clamps come complete with M10 all-thread rod and a grub screw to secure the strain relief here.