Frequently Asked Questions: NEMA HP3 Nomenclature

NEMA HP3 PTFE Hook-Up Wire: Standard for PTFE Insulated Wire

  • Replaces M16878/4, /5, /6, /23, /25 and /27
  • For use in internal wiring of electronic equipment and appliances
  • Low coefficient of friction: promotes easy handling
  • Excellent chemical resistance
  • Suitable for immersion in gasoline, gasoline vapor and oil (at a maximum of 80 degrees Celsius)
  • Weathering, ozone and corrosive environments do not affect FEP insulation
 

Typical Part Number

NEMA Type
Type E Type E is intended for applications with high temperatures and is suitable for use at a maximum of 600 volts RMS and/or frequency circuitry.
Type EE Type EE is intended for high-temperature applications and is suitable for use at a maximum of 1000 volts RMS and/or high-frequency circuitry
Type ET Type ET is intended for use in low-voltage, high-temperature applications. Suitable for use at a maximum of 250 volts RMS and/or high-frequency circuitry. Wires having ET thin-wall insulation are relatively fragile and can be damaged. Using them where mechanical stress or an abrasive environment may exist is not recommended.

 

Construction
W Wrapped
X Extruded

 

Conductor Material
B Silver-Plated Copper (SCC)
C Nickel-Plated Copper (NPC)
D Silver-Plated High-Strength Copper Alloy (SCA)
E Nickel-Plated High-Strength Copper Alloy (NCA)
F Silver-Plated Copper Clad Steel (SCCCS)
G Nickel-Plated Copper Clad Steel (NCCCS)

 

AWG Nominal Conductor Size
A = 32 H = 18 R = 4
B = 30 J = 16 S = 2 
C = 28 K = 14 T = 1
D = 26 L = 12 U = 1/0
E = 24 M = 10 W = 2/0
F = 22 N = 8 Y = 3/0
G = 20 P = 6 Z = 4/0

 

Stranding
A = 1 L = 133 T = 1330
B = 7 P = 665 V = 1672
E = 19 R = 817 W = 2109
G = 37 S = 1045    

 

Color Code
0 = Black 4 = Yellow 8 = Gray
1 = Brown 5 = Green 9 = White
2 = Red 6 = Blue    
3 = Orange 7 = Violet    

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