NEMA HP3 PTFE and NEMA HP4 FEP
NEMA Standard for PTFE Insulated Wire¹:
HP3-(Type) (Construction)(Conductor Material) (AWG)(Number of Strands)(Color)
NEMA Type: ET, E, EE as described above.
Construction: Wrapped (W), Extruded (X)
Example: HP3-EXCFE9 PTFE, Type E, Extruded, Nickel Plated Copper, 22 AWG, 19 Strands, White
NEMA Standard for FEP Insulated Wire²:
HP4-(Type)(Conductor Material)(AWG)(Number of Strands)(Color) NEMA
Type: KT, K, KK as described above.
Example: HP4-K-BFA9 FEP, Type K, Silver Plated Copper, 22 AWG, Solid, White
Part Number Identification
Conductor Material and Coating
|
Letter
|
Conductor Material and Coating
|
|---|---|
|
B
|
Silver Plated Copper (SPC)
|
|
C
|
Nickel Plated Copper
|
|
D
|
Silver Plated High Strength Copper Alloy (SPC Alloy)
|
|
E
|
Nickel Plated High Strength Copper Alloy (NPC Alloy)
|
|
F
|
Silver Plated Copper Clad Steel (SPCCS)
|
|
G
|
Nickel Plated Copper Clad Steel (NPCCS)
|
|
H
|
Tin Plated Copper (TPC) (HP4 only, not for HP3)
|
AWG Nominal Conductor Size
|
AWG
|
Letter
|
AWG
|
Letter
|
AWG
|
Letter
|
AWG
|
Letter
|
|---|---|---|---|---|---|---|---|
|
32
|
A
|
20
|
G
|
8
|
N
|
-
|
-
|
|
30
|
B
|
18
|
H
|
6
|
P
|
-
|
-
|
|
28
|
C
|
16
|
J
|
4
|
R
|
2/0
|
W
|
|
26
|
D
|
14
|
K
|
2
|
S
|
3/0
|
Y
|
|
24
|
E
|
12
|
L
|
1
|
T
|
4/0
|
Z
|
|
22
|
F
|
10
|
M
|
1/0
|
U
|
-
|
-
|
Number of Strands
|
Letter
|
Number of Strands
|
|---|---|
|
A
|
1
|
|
B
|
7
|
|
E
|
19
|
|
G
|
37
|
|
L
|
133
|
|
P
|
655
|
|
R
|
817
|
|
S
|
1045
|
|
T
|
1330
|
|
V
|
1665
|
|
W
|
2109
|
NOTES
¹ NEMA HP3-2012
² NEMA HP4-2012
NEMA is the National Electrical Manufacturers Association