SMPTE RP 124 – Insertion Pivot for Studio Lighting Units and Mating Holders for Use with Standing and Hanging Support Systems (R2005)
This practice specifies the dimensions for an Insertion pivot used for mounting studio lighting units on standing or hanging support devices, the mating holders for the Insertion pivot, and the mating devices for holding or hanging stage lighting devices weighing less than 22 lbs (10 kg).
