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App - 15
A
PPENDICES
Table 9 Wire specifications
Characteristics of one core
Wire model
Core
size
[mm
2
]
Number of
cores
Structure
[Number of
wires/mm]
Conductor
resistance
[
/km]
Insulating
sheath OD
d[mm]
(Note-1)
Finished
OD
[mm]
(Note-2)
UL20276 AWG#28 13pair(CREAM) 0.08 26(13 pairs) 7/0.127 222 or less 0.38 6.5
UL20276 AWG#24 18pair(CREAM) 0.08 36(18 pairs) 7/0.203 92.3 or less 0.85 15.5
(Note-1):
"d" is as shown below.
Insulation sheath
Conductor
d
(Note-2): Standard OD (Outside Diameter). Maximum OD is about 10% larger.
!
CAUTION
When fabricating the cable for teaching unit, do not make incorrect connection. The protective function
stops working.