INSTALLATION INSTRUCTIONS FOR FEDERAL MODEL 50GCB SELECTONE®
People's lives depend on your safe installation of our products. It is important to follow all instruc-
tions shipped with the products. This device is to be installed by a trained electrician who is thor-
oughly familiar with the National Electrical Code and will follow the NEC Guidelines as well as
local codes.
The selection of the mounting location for the device, its controls and the routing of the wiring is to
be accomplished under the direction of the Facilities Engineer and the Safety Engineer. In addition,
listed below are some other important safety instructions and precautions you should follow:
• All effective warning speakers produce loud sounds, which may cause, in certain situations, per-
manent hearing loss. The device should be installed far enough away from potential listeners to
limit their exposure while still maintaining its effectiveness. The OSHA Code of Federal Regula-
tions 1910.95 Noise Standard provides guidelines which may be used regarding permissible noise
exposure levels.
• Read and understand all instructions before installing or operating this equipment.
• Do not connect this unit to the system when power is on.
• Optimum sound distribution will be severely reduced if any objects are in front of the speaker.
You should ensure that the front of the speaker is clear of any obstructions.
• All effective warning speakers produce loud sounds which may cause, in certain situations, per-
manent hearing loss. You should take appropriate precautions such as wearing hearing protection.
• After installation, ensure that all bolts and threaded joints are tightened.
• Establish a procedure to routinely check the sound system for proper activation and operation.
• Provide a copy of these instructions to the Safety Engineer, operator(s) and maintenance person-
nel.
• File these instructions in a safe place and refer to them when maintaining and/or reinstalling the
device.
Failure to follow all safety precautions and instructions may result in property damage, serious in-
jury, or death to you or others.
A. General.
The Federal Model 50GCB Selectone® is a continuous duty, indoor rated, compact, ampli-
fied speaker (with volume control) for general signaling or voice communication. Any one of
available plug-in tone modules or Model UTM (purchased separately) may be used. If use of
externally generated tones or voice signals from a remote amplifier is desired, any one of four
available plug-in connector cards may be used.
The Model 50GCB is Underwriters Laboratories listed for "General Signaling Use" when used
with a Model 300CK, 300CKS, AM25CK, AM70CK connector card, or any Listed tone card.
The Model 50GCB amplifier circuitry operates from a 24V source which can be user-supplied
or supplied by an internal transformer as in the Federal Model 50GCB-120.
SAFETY MESSAGE TO INSTALLERS
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