Honeywell AT20 Notice D'installation page 4

AT20, AT40, AT72D, AT87, AT88 AT TRANSFORMERS
Fig. 5. Tighten clamp securely against rim of round
WITH RAISED PORTION OF KNOCKOUTS FACING YOU:
1. PRY UP TOP SECTION OF LARGE KNOCKOUT
BY INSERTING SCREWDRIVER FIRST AT ONE
SIDE OF SLOT AND THEN AT THE OTHER SIDE.
69-1641EF
hole.
Fig. 6. Removing large center knockout.
M12126
2. THEN PRY UP BOTTOM SECTION OF KNOCKOUT.
3. REMOVE BOTH SECTIONS OF KNOCKOUT WITH PLIERS.
SHADED AREAS REPRESENT KNOCKOUTS
AND SCREW SLOTS USED WITH 2 X 4 INCH
OR OCTAGONAL OUTLET BOXES.
4
M9188A