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Routing Cables into the MLM-WB+
Installing the junction box
Installing power cables and receptacles
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CAMBOARD Electronics
9.
Align the slotted mounting holes (
back of the MLM-WB+ with the screws or
toggle bolts in the wall. Move the MLM-WB+
forward over the washers and down as
shown at right.
10.
Insert a self-tapping screw and washer into each round mounting hole on the
MLM-WB+ enclosure for which you drilled a pilot hole.
11.
Tighten the screws and toggle bolts to secure the MLM-WB+ to the wall.
Once the MLM-WB+ is securely mounted to the wall, you need to route all power,
audio, video, and control cables required for the installation.
All electrical installation steps should be performed by a qualified electrician in
accordance with national and local electrical codes.
Extron recommends using the UL-listed junction box and receptacles included with
the MLM-WB+. In some cases, such as installations in Europe and Asia, you may
need to use a different kind of junction box and receptacles to meet local electrical
code requirements.
1.
Remove a knockout tab from one of the openings in the junction box.
•
Remove a rear knockout tab if the power cable will be routed in from
behind the MLM-WB+.
•
Remove one of the top or left conduit knockouts if the power cable will
be inserted via a conduit through the top or bottom of the MLM-WB+.
2.
If needed, install a 1.125" (2.9 cm) or 1.375" (3.5 cm) outer diameter conduit
through one of the knockouts at the top or bottom of the MLM-WB+
enclosure. Use standard fittings to secure it to the junction box inside the
MLM-WB+.
The installer is responsible for providing the conduit and fittings; Extron does
not provide these items.
3.
Disconnect the power cable from the power source by turning off the circuit
breaker or removing the circuit's fuse.
4.
Insert the power cable through the conduit knockout hole and into the
junction box, and secure the cable with cable clamps to provide strain relief.
If the power cable is being inserted through a knockout at the bottom of the
MLM-WB+, then route the cable through the cable channel on the left side of
the unit to reach the junction box.
Improperly grounded or ungrounded receptacles can allow electrical
shocks, which can cause injury and damage equipment. Receptacle
installation should only be performed by a qualified electrician in
accordance with national and local electrical codes.
Install receptacles into the junction box as follows:
5.
a.
If necessary, cut off the receptacles' mounting strap tabs (ears) so the
fronts of the receptacles fit snugly against the back side of the junction
box cover.
b.
Secure each duplex receptacle to the junction box cover.
Tel. 07131 911201
Fax 07131 911203
) in the
A
B
+
ce-info@camboard.de
MLM-WB+ • Installation
+
2-9
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