Figure 3-20 Conduit Knock-out Locations on the wire-box
① Three knock-outs for DC input, 1-1/2 inch Trade Size (1.98" Dia) and (1)
removable gland plate for custom size conduit (i.e. when use of 2 inch
or 2-1/2 inch Trade Size conduit is required) – later models may not
have gland plates.
② Four knock-outs for communication, 3/4 inch Trade Size (1.11" Dia)
③ Two knock-outs for AC output, 1-1/2 inch Trade Size (1.98" Dia) on a
removable gland plate for custom size conduit (i.e. when use of 2 inch
or 2-1/2 inch Trade Size is required)
④ Two external ground connection points (M6)