M22759/32 Tefzel Wire — 20 AWG, Orange/Red Stripe
The M22759/32-20-32 Orange/Red BTF Stripe — SKU: M22759/32-20-32-PRSP is a genuine MIL-spec M22759/32 dual-wall Tefzel-insulated stranded wire in 20 AWG with a orange/red striped insulation, supplied by Arctic Performance Parts as a pre-striped BTF (Build To Fill) shelf stock wire for professional motorsport wiring harness construction. M22759/32 is the heavier-wall variant of the Tefzel wire family, engineered for motorsport power and mixed-function wiring where enhanced mechanical insulation protection is required alongside the full chemical and thermal resistance of Tefzel.
M22759/32 — Dual-Wall Tefzel
Where M22759/16 uses a single thin-wall ETFE construction optimised for lightweight signal wiring, M22759/32 applies a heavier dual-wall Tefzel insulation that withstands greater mechanical stress — abrasion against chassis edges, cut-through under grommet compression, and sustained contact with adjacent components in a tightly routed harness. Both variants share the same ETFE chemistry, retaining the 150°C continuous temperature rating, exceptional fuel and oil resistance, and chemical stability of the full Tefzel wire family. The thicker wall of M22759/32 extends service life in the more demanding routing environments associated with power and actuator circuit wiring in race cars.
Orange/Red — Colour Code 32
Orange/red (code 32) at 20 AWG M22759/32 identifies the primary positive supply conductor within the orange auxiliary circuit family — the red stripe maintaining the harness-wide convention that red marks a live or supply function, applied to the main supply input of an orange-base power circuit section. In 20 AWG orange-family power distribution harnesses where both unfused supply inputs and switched output conductors share a connector, orange/red unambiguously identifies the primary supply feed — the conductor that must be isolated first during any service operation. This supply-identification convention, where red consistently marks the primary live input regardless of base colour, is fundamental to building a race car power harness that any trained technician can safely work on under time pressure.
20 AWG — Gauge Selection
20 AWG M22759/32 occupies the intermediate wiring tier between lightweight signal gauges and heavier power wiring — used for moderately loaded actuator feeds, switched control outputs, sensor supply circuits requiring more current than signal-gauge wiring can carry, and mixed-function conductors where the dual-wall Tefzel construction provides added insulation robustness for routing through demanding environments in a race car chassis and engine bay. The stranded tin-plated copper conductor provides the flexibility and vibration fatigue resistance essential for motorsport harness routing through bends, grommet passes, and chassis runs that mixed-function wiring must navigate in a professionally built race car harness.
BTF Shelf Stock — Ready to Ship
The PRSP designation confirms this wire is held as pre-striped shelf stock at Arctic Performance Parts, available for immediate dispatch without the lead time of a custom stripe run. Professional harness builders working to tight build schedules can order the orange/red colour combination and receive it promptly. Arctic Performance Parts stocks a comprehensive range of M22759/32 striped colours across standard motorsport wiring gauges.
Technical Specifications — SKU M22759/32-20-32-PRSP
- Specification: MIL-DTL-22759/32
- Insulation: ETFE (Tefzel) — dual wall
- Wire gauge: 20 AWG
- Colour: Orange/Red stripe (code 32)
- Temperature rating: −65°C to +150°C continuous
- Construction: Stranded, tin-plated copper
- Chemical resistance: Fuel, oil, hydraulic fluid, solvents
- Application: Motorsport harness, race car wiring, high-performance builds
- Stock type: BTF pre-striped shelf stock













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