Federal Signal LWMB2 Instrucciones De Instalación página 3

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Installing with External Conduit
A
B
C
D
J
K
L
M
N
L
WARNING - Do not make electrical splices within the mounting bracket.
NOTE: This installation requires the use of user supplied hardware. Therefore, obtain mounting hardware that is
appropriate for the mounting surface material before proceeding with the installation.
1.
Using the adapter plate as a template, scribe four drill position marks on the mounting surface (use four corner
holes).
2.
Drill appropriate size holes, at the previously scribed marks, and install suitable 1/4-20 mounting anchors
(customer supplied).
3.
Remove the 1/2-inch plug from the threaded hole at the base of the mounting bracket neck. Replace the plug with
a 1/2-inch conduit fitting (not supplied).
4.
Assemble the threaded bushing to the light base. Figure 2 shows the proper bushing orientation for all applicable
models. Assemble the two set screws to the mounting bracket.
5.
Feed the wires, protruding from the base of the light, down through the hole at the top of the mounting bracket
(neck of pipe flange). Insert the light down into the mounting bracket neck and tighten both set screws securely.
6.
Feed the wires, now at the rear of the mounting bracket, through the
1/2-inch conduit fitting (installed in step 4).
7.
Attach the mounting bracket and light assembly to the wall with 1/4-20 x 1-1/4-inch machine screws (supplied).
Ensure that the backplate is positioned behind the mounting bracket flange as shown in Figure 3.
NOTE: Electrical splices must be made within a condulet box (customer supplied).
8.
Using the length of leads extending out of the 1/2-inch conduit fitting as a guide, determine the length of conduit
necessary for the installation. Ensure that an adequate length of wire is left to make splices in the condulet.
9.
Install conduit and condulet. Connect supply source wires to light wires at the condulet.
8459A093 Rev. E1 0921
F
G
H
Q
P
290B1327B
Figure 3
A Anchors (4) (customer supplied)
B Wall
C Backplate
D Mounting bracket assembly
E Threaded bushing
F 1/4-20 Set screws
G 1/2-14 NPT
E
H 1/4-20 x 1-1/4 machine screws (4)
J Customer supplied
K 1/2-inch Connector
L 1/2-inch Conduit
F
M 1/2-inch Condulet
N Wire nut
P Power supply wire
Q Make connections here

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