App - 15
APPENDICES
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.
