Bosch LB20-PC60EW-5D - Page 9

LB20 EVAC Cabinet Loudspeaker Models Installation and wiring | en 9
Bosch Security Systems B.V. Installation manual 2017.09 | V.02 | F.01U.345.361
Using a threaded rod
The U-Bracket can be installed to a threaded rod.
Figure3.4: Threaded rod
Using a pole mount
The U-Bracket can be installed to a pole mount using steel band clamps.
Figure3.5: Pole mount
Using a junction box
The U-Bracket can be installed to a junction box using a 0.25” rubber grommet (not included)
for wiring.
Figure3.6: Junction box
See also
– Installing the speaker, page 7
3.3 Wiring
Wiring the speaker
The speaker can be wired using either 2-wires, for input only, or 4-wires, for input and parallel
output. Reference the polarity markers on the Euroblock.
To wire the speaker using the weather cover, do the following: