4
JBL BRX300 SERIES
GENERAL HARDWARE INFORMATION
Any hardware used in an overhead suspension application must be load rated for the intended use. Generally,
this type of hardware is available from rigging supply houses, industrial supply catalogs and specialized rigging
distributors. Local hardware stores do not usually stock these products. Hardware that is intended for overhead
suspension will comply with ASME B30.20 and will be manufactured under product traceability controls. Compliant
hardware will be referenced with a working load limit (WLL) and a traceability code.
IMPORTANT SAFETY WARNING
The information in this section has been assembled from recognized engineering data and is intended for
informational purposes only. None of the information in this section should be used without first obtaining competent
advice with respect to applicability to a given circumstance. None of the information presented herein is intended as
a representation or warranty on the part of JBL. Anyone making use of this information assumes all liability arising
from such use.
All information presented herein is based upon materials and practices common to North America and may not
directly apply to other countries because of differing material dimensions, specifications and/or local regulations.
Users in other countries should consult with appropriate engineering and regulatory authorities for specific
guidelines.
Correct use of all included hardware is required for secure system suspension. Careful calculations should always
be performed to ensure that all components are used within their working load limits before the array is suspended.
Never exceed the maximum recommended load ratings.
SAFETY INFORMATION
The exclamation point within an equilateral triangle is intended to alert the user to the presence
of important operating and maintenance (servicing) information in the literature accompanying the
product.
The lighting flash with arrowhead symbol within an equilateral triangle is intended to alert the user
to the presence of uninsulated “Dangerous Voltage” within the product’s enclosure that may be of
sufficient magnitude to constitute risk of electric shock to persons.
THIS APPARATUS CONTAINS POTENTIALLY LETHAL VOLTAGES. TO PREVENT ELECTRIC SHOCK OR
HAZARD, DO NOT REMOVE CHASSIS, INPUT MODULE OR AC INPUT COVERS. NO USER SERVICEABLE
PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.