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The blackbox should be mounted by drilling four holes suitable for size 8 
pan or round headed screws. The screw length will be dependent on the wall 
to which the blackbox is to be mounted to, if it is unclad use 1.5" long 
screws with suitable wall fixings, if the wall is clad add the cladding 
thickness to the 1.5" screw length.  
Fit all four screws by removing the top cover to access the pre-moulded 
mounting holes which are located in the corners of the base of the enclosure, 
under the lid retaining screws. 
 Important Information 
The enclosure lid screws should be tightened to 10in.lbs (1.1Nm). 
Care should be taken not to over tighten the screws.