Manual
NOTE:  The installation must conform to national and local building and electrical codes, and 
UL requirements. See the device user guides for details.
1. Install the Mud Rings.
NOTE:  These devices can be installed using the 
supplied mud ring or a wall box. If installing a 
box, allow enough depth for the plate and the 
cables. The box should be at least 2.5 inches 
(6.4 cm) deep to accommodate the connectors 
and cables. 
If a suitable wall box is already installed, follow 
step 2 onwards.
a.  Using an appropriate template or the PVT 
mounting enclosure as a guide, with a soft 
pencil, mark the area of the wall that will be cut 
out. 
NOTE:  If installing a metal junction box, 
check with the manufacturer of the box for 
specific installation requirements.
b.  Use a jigsaw or small hand saw to carefully 
cut away the material within the marked area.
c.  If using a mud ring in a wall with insulation 
inside, remove at least 6 inches of the insulation 
in all directions around the cutout. 
NOTE:  If a wall stud interferes with 
removing 6 inches of insulation around the 
cutout, remove the insulation between the 
cutout and wall stud.
CAUTION:  Risk of personal injury. Smooth 
the edges of the opening to avoid 
personal injury during installation.
ATTENTION:  Smooth the edges of the 
opening to avoid damage to the mounting.
d.  Insert the mud ring into the opening. The 
mud ring locking arms should fit easily into 
the opening. If needed, use a saw, file, or 
sandpaper to enlarge the hole. 
e.  Rotate the mud ring locking arms and secure 
with the screws provided.
TIP:  Use a level when fitting the mud ring.
Repeat steps a to c for each additional input wall 
plate that needs to be installed.
f.  At the desired location mark the opening for the 
MLC 104 IP Plus mud ring.
g.  Repeat steps b to e.
û
 Insert the mud ring into the wall.
4.00"
3.75"
Wall
Mud Ring
PoleVault Digital Systems • Installation — Stage 2 (Wallplates and MLC) 29










