Quirk Wire

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