23
Warnings
WARNING:
Mounting or overhead suspension of any heavy load can result in serious injury and
equipment damage. This work should be done by qualified persons following safe rigging practices
in accordance with all applicable safety and construction standards. Such persons must determine
the required load ratings and design factors. They must determine the mounting or suspension
method that meets static, dynamic, shock, and any other load requirements. All such work must be
done in accordance with and in compliance with all federal, state, and local regulations governing
such work.
WARNING:
If there is any question about the integrity or capability of any part to perform its
intended function when used to suspend or mount a loudspeaker, immediately remove it from
service for repair or replacement.
WARNING:
Do not under any circumstances use a loudspeaker's handles to support the weight of
the loudspeaker except for their intended use: hand carrying. The handles are not rated to support
the load of the loudspeaker for temporary or permanent installation.
WARNING:
Rigging loudspeakers is an extremely serious matter with potentially lethal
consequences should anything go wrong. It is of vital importance that this task is done by persons
qualified to do so and who have a full understanding of all factors involved, with safety as the
number one priority. Only persons with the knowledge of and experience with proper hardware
and safe rigging techniques should attempt to suspend or mount loudspeaker systems overhead.
For all questions involving loudspeaker rigging, consult a licensed, qualified professional Engineer
or Professional Rigger. All rigging work must be done in accordance with and in compliance with all
applicable regulations governing such work.
Reference Material
For detailed information about rigging, the following publications are recommended:
"Entertainment Rigging: A Practical Guide for Riggers, Designers, and Managers"
By Harry Donovan; Harry M. Donovan, 2002
"An Introduction to Rigging in the Entertainment Industry"
By Chris Higgs; Entertainment Technology Press, June 2002
"Rigging for Entertainment: Regulations and Practice"
By Chris Higgs; Entertainment Technology Press, April 2003
