White 12 AWG Tefzel wire, MIL-DTL-22759/32 specification. The Raychem Spec55 equivalent is 55A0111-12-9 — both designations refer to the same wire construction.
Specifications
| Property | Value |
|---|---|
| Gauge | 12 AWG |
| Outer diameter | 2.69 mm max (per SAE-AS22759/32) |
| Working current | 27 A (single wire, free air, 30°C rise above ambient) |
| Conductor | Tin-plated annealed copper |
| Insulation | Cross-linked modified ETFE |
| Voltage | 600 V |
| Temperature range | −65°C to +150°C |
| MIL-spec | MIL-DTL-22759/32 |
| Spec55 equivalent | 55A0111-12-9 |
Current rating is for a single conductor in free air with 30°C temperature rise above ambient, extrapolated from the Marmon Aerospace & Defense ampacity table. For bundled wiring derate: ×0.72 for 3 conductors, ×0.53 for 7 conductors.
Typical Use — 12 AWG
12 AWG is used for main power distribution and high-current relay feeds in motorsport wiring harnesses. Typical circuits: ECU main power supply rail, fuse box input feeds, high-current relay output feeds.
Ordering Notes
Quantity in metres: When you order a quantity in metres (for example 10 m), you receive one continuous 12 AWG wire cut to that length — not 10 separate 1 m pieces.
Supplied loose (not on spool): Wire ordered by the metre is hand-wound and supplied loose. If you need wire wound on a spool, select the 100 m spool option.
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