S/FTP AWG 26
Construction and cross-section
S/FTP AWG 26 is a Category 7 data cable made as a patch cable: four twisted pairs with stranded copper conductors, each pair in an aluminum foil shield, with a braided shield of tinned copper over all of them and an orange jacket.
Key data
- Outer diameter
- 6.5 mm
- Layers
- 7
Every cable is the answer to a task.
Layer by layer, to scale.
Patch cable: the flexible connection between an outlet or patch panel and a device. The stranded conductors make the cable more flexible than an installation cable with solid conductors.
inside
Bare copper
Ø 0.48 mmassumed
7 wires
Ø over this layer 1 mmassumed
2 conductors
one colored and one white insulated conductor, twisted together
Aluminum
4 pairs
pair colors blue, orange, green and brown (assumed)
Tinned copper
Single wire Ø 0.1 mmassumed
outsideØ 6.5 mm
“Assumed” means: the value does not come from a datasheet but is a usual value or one chosen from a reference.
Cross-section
To scaleOuter diameter
6.5 mm
Insulationassumed
1 mm
Conductor, strandedassumed
0.48 mm

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S/FTP AWG 26 as a 3D model, from the same data as every picture on this page.
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That leaves the question of what the jacket says.
What the name says.
The designation reads around the slash: before it comes the shield over all pairs, after it the shield of each single pair. “S” is a braided shield, “F” a foil shield, and “TP” stands for twisted pair. So S/FTP means: braid on the outside, foil around every pair.
AWG is the American Wire Gauge and gives the diameter of the conductor: the larger the number, the thinner the conductor. In a designation such as “4x2xAWG 26/7”, 4x2 means four pairs and /7 a stranded conductor of seven wires.
Sources and assumptions
No datasheet was available for this type. The conductor diameter (the nominal size of AWG 26/7) and the diameter over the insulation are estimates; with them the cable comes out at the outer diameter a distributor's catalog lists. The pair colors are taken from the AWG 23 cable, and the braid is assumed.
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