Coupler

Coupler means a device for locking together the tubes of a tube and coupler scaffold.

Source

29 CFR § 1926.450


Scoping language

Scope and application. This subpart applies to all scaffolds used in workplaces covered by this part. It does not apply to crane or derrick suspended personnel platforms. The criteria for aerial lifts are set out exclusively in 1926.453.

Is this correct? or