40
ED250
08-2018
DL4614-070
dormakaba ED250 IG Installation Instructions
Chapter 15
15.4 Liquidtight conduit entry locations into cement case
Fig. 15.4.1 Cement case sides, areas for conduit entry
4 1/2”
1 3/8”
2”
4”
2
3
1
4 1/2”
5 3/4”
2 3/8” dia. conduit hole
1 5/8”
2
1
3
Fig. 15.4.2 Cement case end (opposite
spindle side) areas for conduit
entry
1
Main extrusion,
operator mounting
2
Angle iron
3
Spacer, operator
mounting
1
Main extrusion,
operator mounting
2
Angle iron
3
Spacer, operator
mounting
15.4.1 Determine conduit hole locations in
cement case
TIPS AND RECOMMENDATIONS
Wiring entry into cement case.
Note orientation of cement case in
concrete floor blockout.
1. Figures 15.4.1 and .2 show areas on the
cement case end on strike side of door
for conduit entry. 2 3/8" conduit hole in
cement case is predrilled.
2”
4 1/2”
2 3/8” dia. hole
1
2
15.5 Liquidtight conduit and conduit fitting requirements
Fig. 15.5.1 LT7 3/4" liquidtight fitting
1
Arlington LT7 3/4"
liquid tight fitting
2
Lock nut
3
Sealing ring
4
3/4" liquid tight non
metallic conduit, Type B
1 5/8”
4
1
2
1 5/8”
3
15.5.1 Liquidtight conduit and conduit
fittings.
CAUTION
1. Conduit to case connections
must use non-metallic liquid-
tight conduit, Type B only.
2. Conduit fittings installed in
cement case must be liquid-
tight fittings.
Use only
Arlington #LT7 3/4" liquid-
tight fittings.
Other fittings
have not been tested or
approved.
