JBL Professional JBL SR-X Speakers 981-00052-02 - Manual (Page 15)

Each primary “load bearing”suspension point shall be rated for the entire load.
Appropriate
Track Fitting
(User supplied, overhead
suspension rated and certified)
Secondary
Suspension Point
Appropriate Track Fitting
(EG: AF-DSF)
Primary “Load Bearing”
Facility Attachment Points
(MIN: 5:1 Design Factor or Local Standard, Whichever Is Greater)
Working load limits: No more than four (4) high (vertical)
The four (4) high vertical specification represents a static ratio of 7:1.
15
Example