Prepare Wirebox for Conduit Fittings

The default conduit size is 3/4 in (21 mm). 1 in (27 mm) conduit is acceptable if needed. Ensure that the conduit hub used are rated Type 3R.

Based on fittings and conduit size, prepare the wirebox.
  • For top or bottom entry: Manually remove the conduit plug.
  • For rear entry: Drill with 1-1/8 in (29 mm) step bit to prepare wirebox for fittings.
Table 1. For 3/4 in (21 mm) Conduit
Top EntryBottom EntryRear Left EntryRear Right Entry
1-1/8 in (29 mm)
1-1/8 in (29 mm)
Table 2. For 1 in (27 mm) Conduit
Top EntryBottom EntryRear Left EntryRear Right Entry
Do not expand.
1-3/8 in (35 mm)
1-3/8 in (35 mm)
1-3/8 in (35 mm)
Informational PurposesAn informational icon, calling your attention
Note
For 1 in (27 mm) rear and bottom entry options, drill with 1-3/8 in (35 mm) step bit to prepare wirebox for fittings.