appendix27Drilling templateYour eMH1 Wallbox comes with a template (see reduced-size illustration) for drillingthe mounting holes in a suitable substrate. Electrical installation of the eMH1 modelvariants described in these instructions must always be left to a qualified electricalcontractor who will connect the device to the local power supply.Reduced-size illustrationof the included drilling templateYou may, however, carry out the mechanical installation of the Wallbox and drill thenecessary mounting holes yourself: This is described in detail in section “Installationand power supply connection” on page 8.The following instructions, which you must check in advance and may need to discusswith the contractor, always apply to the installation of the Wallbox:The mounting surface area required for Wallboxes of the EVSE 5X1 / 5X3 series is 262x 222 mm (H x W).• The recommended shaft diameter for the fixings is 5 mm, with the drill hole diam-eter to be selected accordingly.• All three screws and respective drill holes indicated on the drilling template mustunder all circumstances be used to fix eMH1 Wallboxes.• Ensure that the selected installation site is suitable for mounting the Wallbox withrespect to substrate, power supply/cabling path, distance to the vehicle and environ-mental conditions.