Conduit - Siemens SINUMERIK 840D Maintenance Manual

FADAL MACHINING CENTERS

2.6.8 CONDUIT

40
1. The number and size of conductors in any raceway shall not be more than will
permit dissipation of the heat.
2. The conduit must allow ready installation or withdrawal of the conductors without
damage to the conductors or to their insulation.
# OF
CONDUCTORS
4
4
4
3
PRE-INSTALLATION PROCEDURES
Table 2-6: Conduit Selection
CONDUCTOR SIZE
2
10 AWG THHN (6 mm )
2
8 AWG THHN (10 mm )
2
6 AWG THHN (16 mm )
2
4 AWG THHN (25 mm )
MINIMUM SIZE OF
CONDUIT
1/2"
3/4"
3/4"
1.0"
MAN-0126_R1