Samsung AM072BXV Series Service Manual page 206

Wiring Diagram
6-6 Field Wiring (cont.)
Specification of the protection tube
Name
Flexible PVC conduit PVC
Class 1 flexible conduit Galvanized steel sheet
Class 1 PVC coated Galvanized steel sheet and
flexible condui Soft PVC compoun
CAUTION
• Caution for perforating the knock-out hole
• Perforate a knock-out hole by punching it with a hammer.
• After perforating the knock-out hole, apply rust resisting paint around the hole.
• When you need to pass the cables through the knock-out hole, remove burrs on the hole and protection the cable with a protection tape
or bushing etc.
• Caution for installing communication cable
• When you connect the cable, it may sag and pressed by other parts. Therefore cables should be fixed to a clamp highlighted with a box on
the illustration.
Samsung Electronics
Temper grade
When thte protection tube is installed indoor and not exposed to outside, because it is
embedded in concrete structure
When the protection tube is installed indoor but exposed to outside so there are risk of
damage to the protection tube
When the protection tube is installed outdoor and exposed to outside so there are risk of
damage to the protection tube and extra waterproof is needed
Applicable conditions
200