®
MIL-W-16878 PTFE and NEMA HP 3 Wire
200°C (Silver Plated Conductors) - 260°C (Nickel Plated Conductors)
Insulation: PTFE Extruded or Spiral Wrapped & Fused as Specified by MIL-W-16878
CONDUCTOR
M16878/4 SPC EXTRUDED
M16878/5 SPC EXTRUDED M16878/6 SPC EXTRUDED
M16878/21 SPC WRAPPED M16878/22 SPC WRAPPED M16878/20 SPC WRAPPED
M16878/25 NPC EXTRUDED M16878/27 NPC EXTRUDED M16878/23 NPC EXTRUDED
TYPE E 600V RMS
TYPE EE 1000V RMS
TYPE ET 250V RMS
DIAMETER
OVER
INSULATION
WIRECRAFT
CATALOG
NUMBER
DIAMETER
OVER
INSULATION
WIRECRAFT
CATALOG
NUMBER
DIAMETER
OVER
INSULATION
WIRECRAFT
CATALOG
NUMBER
STRAND
COND.
NUMBER
SPIRAL
DIAM. CM
OF
SIZE
AWG. STRANDS AWG. DIAM. (NOM.) MIN. MIN. MAX. EXTRUDED WRAPPED
32
32
7
1
7
19
1
7
19
1
7
19
1
7
19
1
1
7
19
27
1
7
19
1
1
7
19
1
19
26
1
19
19
37
65
37
105
133
133
133
40
32
38
42
30
36
40
28
34
38
26
32
36
24
23
30
34
36
22
28
32
20
19
26
30
18
29
30
16
27
25
28
30
26
30
29
27
25
.0031 .009
.0080 .008
.0040 .012
.0025 .012
.010 .010
.0050 .015
.0031 .015
.0126 .0126
.0063 .019
.0040 .019
.016 .016
.0080 .024
.0050 .024
.020 .020
.022
.0100
.0063
.0050
.025
.022
.030
.030
.030
.025
69 .025 .033
63 .024 .032
110 .028 .036
92 .028 .036
100 .026 .034
175 .031 .039
182 .031 .039
160 .029 .037
278 .035 .043
304 .035 .043
253 .032 .040
448 .040 .048
475 .040 .048
404 .036 .044
511 .038 .046
700
755
675
640
.046
.046
.046
.041
.054
.054
.054
.049
—
—
307-XE
3019-XE
301-XE
287-XE
2819-XE
281-XE
267-XE
2619-XE
261-XE
247-XE
2419-XE
241-XE
231-XE
227-XE
2219-XE
2227-XE
221-XE
207-XE
2019-XE
201-XE
191-XE
187-XE
1819-XE
181-XE
1619-XE
1626-XE
161-XE
1419-XE
1219-XE
1237-XE
—
1037-XE
—
—
—
—
327-TE
321-TE
307-TE
3019-TE
301-TE
287-TE
2819-TE
281-TE
267-TE
2619-TE
261-TE
247-TE
2419-TE
241-TE
231-TE
227-TE
2219-TE
2227-TE
221-TE
207-TE
2019-TE
201-TE
191-TE
187-TE
1819-TE
181-TE
1619-TE
1626-TE
161-TE
1419-TE
1219-TE
1237-TE
1265-TE
1037-TE
10105-TE
—
—
—
SPIRAL
SPIRAL
MIN. MAX. EXTRUDED WRAPPED MIN. MAX. EXTRUDED WRAPPED
.035 .043
.034 .042
.038 .046
.038 .046
.036 .044
.041 .049
.041 .049
.039 .047
.045 .053
.045 .053
.042 .050
.050 .058
.050 .058
.046 .054
.048 .056
.056
.056
.056
.051
.064
.064
.064
.059
—
—
307-XH
3019-XH
301-XH
287-XH
2819-XH
281-XH
267-XH
2619-XH
261-XH
247-XH
2419-XH
241-XH
231-XH
227-XH
2219-XH
2227-XH
221-XH
207-XH
2019-XH
201-XH
191-XH
187-XH
1819-XH
181-XH
1619-XH
1626-XH
161-XH
1419-XH
1219-XH
1237-XH
—
327-TH
321-TH
307-TH
3019-TH
301-TH
287-TH
2819-TH
281-TH
267-TH
2619-TH
261-TH
247-TH
2419-TH
241-TH
231-TH
227-TH
2219-TH
2227-TH
221-TH
207-TH
2019-TH
201-TH
191-TH
187-TH
1819-TH
181-TH
1619-TH
1626-TH
161-TH
1419-TH
1219-TH
1237-TH
1265-TH
.019 .023
.018 .022
.022 .026
.022 .026
.020 .024
.025 .029
.025 .029
.023 .027
.029 .033
.029 .033
.026 .030
.034 .038
.034 .038
.030 .034
.032 .036
.040
.040
.040
.035
.044
.044
.044
.039
—
—
307-XT
3019-XT
301-XT
287-XT
2819-XT
281-XT
267-XT
2619-XT
261-XT
247-XT
2419-XT
241-XT
231-XT
227-XT
2219-XT
2227-XT
221-XT
207-XT
2019-XT
201-XT
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
327-TT
321-TT
307-TT
3019-TT
301-TT
287-TT
2819-TT
281-TT
267-TT
2619-TT
261-TT
247-TT
2419-TT
241-TT
231-TT
227-TT
2219-TT
2227-TT
221-TT
207-TT
2019-TT
201-TT
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
•
30
30
30
28
28
28
26
26
26
24
24
24
•
•
23
22
22
22
22
20
20
20
•
.0126 .038
.0080 .038
.032 .032
.036
.036
1113 .054 .062
1216 .054 .062
1020 .048 .056
1288 .052 .060
1771 .064 .074
1900 .064 .074
1620 .056 .066
2432 .073 .087
2600 .073 .087
2580 .066 .080
3838 .087 .101
6080 .107 .121
5883 .105 .119
6500 .109 .123
.064 .072
.064 .072
.058 .066
.062 .070
.074 .084
.074 .084
.066 .076
.083 .095
.083 .095
.076 .088
.097 .113
.117 .133
.115 .131
.119 .135
.137 .153
.157 .172
.199 .219
.286 .301
.349 .369
.048 .052
.048 .052
.042 .046
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
•
19
18
18
18
.0159 .047
.0100 .047
.040 .040
.0113 .053
.0100 .057
.051 .051
.0142 .067
.0179 .084
.0126 .085
.0100 .089
•
16
16
16
14
12
12
12
10
10
8
•
•
•
•
.0159 .108 9361 .127 .141
.0100 .127 10500 .147 .161
.0113 .161 17024
.0142 .202 26866
.0179 .255 42560
—
—
—
—
—
—
1037-XH 1037-TH
—
10105-TH
—
—
—
8133-TH
6133-TH
4133-TH
6
4
• Special Stranding made similar to MIL-W-16878
Cage Code 24868
4
®
MIL-W-16878 PTFE vs. UL and CSA
Common Comparisons of Wall Thicknesses, Voltages, and Temperatures.
AVG.
WALL
(3)
MIL-W-16878/6-ET
MIL-W-16878/23-ET
UL 1371
UL 1538
CSA
MIL-W-16878/4-E
MIL-W-16878/25-E
UL 1213
UL 1371
CSA 150V
MIL-W-16878/5-EE
MIL-W-16878/27-EE
UL 1180
UL 1815
CSA 300V
AWG.
VOLTS
TEMP. °C
200
260
105
105
200
260
105
105
150
(4)
200
260
200
250
200/250
(4)
CONDUCTORS
(1)
SPC
NPC
SPC, NPC
SPC, NPC
SPC
NPC
SPC, NPC
SPC, NPC
SPC, NPC
SPC
NPC
SPC, NPC
NPC
SPC/NPC
SPC, NPC
NPC
SPC/NPC
SPC
SPC/NPC
.005
30-20
250
.005
30-20
250
.005
30-20
N/S
(2)
.005
30-20
N/S
(2)
Goes to .010 in the next category
.010
.010
.008
.008
.010
.013
.013
.013
.013
.010
30-10
30-10
30-16
18-16
30-16
30-10
30-10
30-10
30-10
28-10
600
600
N/S
(2)
N/S
(2)
150
1000
1000
300
300
300
No Equivalent Mil Spec for this wall thickness - See MIL-W-16878-EE
UL 1199
.020
30-10
600
200
UL 1659
.020
26-10
600
250
CSA 600V
.012
28-10
600
200/250
(4)
UL 1584
.022
30-10
1000
200
CSA 1000V
.020
28-10
1000
200/250
(4)
Notes
(1) Common conductors listed, others available such as “A” nickel, 27% NPC, and Alloys.
(2) NS = Not Specified.
(3) Wall tolerances outside of the average wall can still meet UL & CSA requirements based on actual minimum wall and actual
conductor diameter.
(4) Please consult factory for verification on CSA 150°C, 200°C, and 250°C temperature ratings.
Spooling Station
5