Installing the panels into the wider US 6 slot cab can have problems with the cutouts on the backing board so I include two supports to help with this.
secure the middle 4 as normal and then use the backing supports for the 1st and 6th panels which are slimmer than the other 4.
Secure the support to the backing board using the 4 middle screws.
Then screw the led panel to the support using the top and bottom screws.
All 6 panels
