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MIL-W-16878 PTFE vs. UL and CSA
Common Comparisons of Wall Thicknesses, Voltages, and Temperatures

AVG.
WALL (3)
AWG. VOLTS TEMP.°C CONDUCTORS(1)
MIL-W-16878/6-ET
MIL-W-16878/23-ET
UL 1371
UL 1538
.005
.005
.005
.005
30-20
30-20
30-20
30-20
250
250
N/S(2)
N/S(2)
200
260
105
105
SPC
NPC
SPC, NPC
SPC, NPC
CSA Goes to .010 in the next category
MIL-W-16878/4-E
MIL-W-16878/25-E
UL 1213
UL 1371
CSA 150V
.010
.010
.008
.008
.010
30-10
30-10
30-16
18-16
30-16
600
600
N/S(2)
N/S(2)
150
200
260
105
105
150(4)
SPC
NPC
SPC, NPC
SPC, NPC
SPC, NPC
MIL-W-16878/5-EE
MIL-W-16878/27-EE
UL 1180
UL 1815
CSA 300V
.013
.013
.013
.013
.010
30-10
30-10
30-10
30-10
28-10
1000
1000
300
300
300
200
260
200
250
200/250(4)
SPC
NPC
SPC, NPC
NPC
SPC/NPC
No Equivalent Mil Spec for this wall thickness – See MIL-W-16878/EE
UL 1199
UL 1659
CSA 600V
.020
.020
.012
30-10
26-10
28-10
600
600
600
200
250
200/250(4)
SPC, NPC
NPC
SPC/NPC


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.