Template:Sandbox other/doc

This template allows to differentiate between regular Template:... and Template:.../sandbox pages. It is typically used to prevent a /sandbox page being categorised with their main page.

Also
when numbered /sandbox1

Any subpage /sandboxANYTEXT is considered a /sandbox. So this includes /sandbox1, /sandbox_2.

Also
/doc

A /doc subpage is also considered a /sandbox.