Figure 3-19(a) Conduit Knock-out Locations on the Standard wirebox
① Knock-outs for DC input, (3) 1-1/2 inch Trade Size 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)
② Knock-outs for communication, 3/4 inch Trade Size
③ Knock-out for AC output, (1) 1-1/2 inch Trade Size 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 External ground connection point (M6)