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5
Proper Sling Termination
The slings described herein are "suspension slings" and are different from "lifting slings" as defined by
government regulatory bodies. Do NOT use hardware chain. The JBL SoundFactor Install loudspeakers
must be used in static suspension applications only. Wire rope suspension slings are suggested for all
installations requiring suspension of the JBL SoundFactor Install loudspeakers. The suggested wire rope
is identified as 1/8" 7 x 19 Galvanized Aircraft Cable (1/8- 7 x 19 GAC). The minimum working load limit
(WLL) of this type of wire rope is 400 lb / 181 kg when terminated properly. If sling lengths are pre-deter-
mined and the wire rope slings are fabricated at a rigging supplier, the suggested termination is identified
as "swaged Flemish eye terminations with heavy thimbles and certification tags." If sling lengths cannot
be predetermined and slings must be fabricated on site, the suggested termination is identified as either
a load rated "compression sleeve" or a forged "wire rope clip". Compression sleeves, such as the
Nicopress devices, require a specialized compression tool and associated check gauge. Wire rope clips
require an end-wrench, socket wrench, and/or adjustable wrench (spanner). The following table defines
the load rating adjustments associated with each termination type if the terminations are made accord-
ing to manufacturer's instructions:
Termination Type Adjusted Working Load
Swagged Flemish Eye 100% of wire rope rating
Load Rated Compression Sleeve 100% of wire rope rating
Forged Wire Rope Clip 80% of wire rope rating
Nicopress Oval Sleeve
Finished Eye Splice
Live
End
Dead
End
Saddle
U-Bolt