Federal Signal Global Serie Instructions D'installation page 11

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Mounting the Ex de Surface-Mount Loudspeaker
Mount the loudspeaker to a flat surface using the six 8.5 mm
mounting holes. Use installer-supplied fasteners suitable for the
surface to which the device will be mounted.
Figure 7 Front view of Ex de surface-mount loudspeaker
105.9 mm
(4.17 in)
3X M20
GLAND
ENTRIES
Model G-SPK Global Series Loudspeaker
Installation and Maintenance Instructions
122.6 mm
(4.83 in)
4X COUNTER-BORED
HOLES TO FIT M8
SOCKET-HEAD
CAP SCREWS
23.2 mm
(0.91 in)
2X Ø8.5 mm
103.2 mm
(4.06 in)
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