Tersil cable markings
Tersil cable insulation is rated up to 600 V RMS, and a maximum frequency of 2.4 kHz.
It is rated for temperatures up to 190 °C in normal service in flexible wiring installations, and up to 1100°C for short periods, allowing operation during a fire. It is fully flexible down to -55°C, and for fixed wiring installation Tersil can be used down to -75°C.
Unitersil = copper conductor, single core tersil, 22 to 0000 A.W.G.
Unitersilal = aluminium conductor, single core tersil, 8 to 0000 A.W.G.
Craltersil = chromel/alumel conductor tersil (thermocouple cable).
Unitersilmet = copper conductor, tinned copper outer braid, 22 to 8 A.W.G.
| Stores Ref. No. | Description | A.W.G. No. | Colour |
|---|---|---|---|
| 5E/3893 | Unitersil | 22 | Orange |
| 5E/3894 | Unitersil | 20 | Orange |
| 5E/3896 | Unitersil | 16 | Orange |
| 5E/3897 | Unitersil | 14 | Orange |
| 5E/3898 | Unitersil | 12 | Orange |
| 5E/3899 | Unitersil | 10 | Orange |
| 5E/3902 | Unitersil | 4 | Orange |
| 5E/3904 | Unitersil | 1 | Orange |
| 5E/4858 | Craltersil | 1 | White |
| 5E/4862 | Craltersil | 1 | Green |
| 5E/4542 | Unitersilmetsheath | 20 | Orange |
| 5E/4541 | Unitersilmetsheath | 22 | Orange |
Unitersil 20
Tersil cable markings
Tersil cable insulation layers, consisting of: polyethylene terephthalate (PET) sleeve, glass strand braid, identification traces, clear wrap, orange outer braided jacket.
This harness connects to one of the fuel contents gauging amplifier units. Pink Helsyn sleeves are used for bundling, and are marked for cable identification purposes.
Tersil cable harness, XS458, 09/09/2006
S.T.T.N. Aircraft cables and wiring systems
AP3275A Section 1, Chapter 1, 1967, Aircraft Cables - Paragraph 26