INSTALLATION, OPERATION
AND MAINTENANCE DATA SHEET
for MODEL 4375 and 4374 STROBE BEACONS
FOR CLASS I, DIV. 2, GROUPS ABCD
CLASS II, DIV 2 GROUPS F & G
HAZARDOUS LOCATIONS
SAFETY MESSAGE TO INSTALLERS, USERS, AND MAINTENANCE PERSONNEL
It is important to follow all instructions shipped with this product. This device is to be installed by a trained
installer who is thoroughly familiar with the national electrical code and local codes as well.
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. In addition, listed below are some other
important safety instructions and precaution you should follow:
• Read and understand all instructions before installing or operating this equipment.
• Do not connect this device to the system when the power is turned on.
• After installation, ensure that all screws and thread joints are properly tightened.
• After installation, test the system regularly to ensure that it is operating properly.
• After installation and testing is complete, provide a copy of this instruction sheet to all operating
Wiring the Beacon
The Model 4375 and 4374 Series strobe Beacons should be installed per the NEC or CEC, STATE and LOCAL
CODES, using a suitable wiring system for the specific hazardous location. Alternate installation locations
and/or orientations should only be performed with the approval of the authority having jurisdiction.
NOTE: The 120-240 VAC beacon is designed to operate on both 50 Hz and 60 Hz electrical power. Special
modifications are NOT required for either AC line frequency.
IS0589B-01
11/08/18