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January 2024
1140-00277-03
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HCS Installation and Operation Manual
EVSE mounting for hollow-wall construction
• Place the unit such that both mounting holes can take advantage of solid structural framing inside of the wall or
a strong wall surface such as plywood.
• Size ¼" - 20 lag screws are recommended for mounting the EVSE to a wooden structure. Pre-drill appropriately
sized pilot holes to allow the lag screw to grip the wooden structure while preventing the wood from cracking or
splintering while the screw is fastened.
• The included plastic angle washers can be oriented to allow the lag screws to be fastened at an angle while still
providing a solid at backing to the screw head.
• If the screw head is smaller than the ⅜" (1 cm) washer aperture, an additional at washer will need to be placed
between the plastic angle washer and the head of the lag screw.
• If either mounting hole does not have a solid mounting structure (such as drywall without a solid backing). It will
be necessary to use proper anchoring hardware, such as drywall toggles or molly bolts.
Figure 9: Mounting the EVSE to a hollow wall
17"
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