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Lead Wire Choices
Standard Leadwires are furnished with 20 gauge conductors unless otherwise noted below. Many other gauge sizes and constructions are available. Consult factory for ordering information.
Order Symbol Conductor Type Insulation Type
Individual Conductors/Overall
Maximum Continuous Operating Temperature Abrasion Resistance Moisture Resistance Available in
ANSI Types
G1 Solid Fiberglass/Fiberglass 950ºF FAIR Good J, K, T E, S & R
G1S Stranded Fiberglass/Fiberglass 950ºF OK Good J & K
P1 Solid PVC/PVC 221ºF Good Excellent JK, KX, TX & EX
P1S Stranded PVC/PVC 221ºF Good Excellent JX & KX
P4 Solid PVC/PVC, twisted pair with aluminum backed tape shield & drain wire 221ºF Good Excellent JX, KX, TX & EX
P4D Solid Same as P4 except 2 pair under a single PVC jacket. For use on dual element assemblies. 221ºF Good Excellent JX & KX
P5S 18 Ga. Stranded PVC/PVC, twisted with metallic overbraid shield under overall PVC jacket. 221ºF Good Excellent JX, KX & EX
P5D 18 ga. Stranded Same as P5S except 2 pair under a single PVC jacket. For use on dual element assemblies. 221ºF Good Excellent JX, KX & EX
K1 Solid Kapton/Kapton 600ºF Excellent Excellent J & K
T1 Solid Teflon/Teflon 400ºF Very Good Excellent J & K

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