S/FTP AWG 23
Construction and cross-section
S/FTP AWG 23 is a Category 7 data cable for fixed installation: four twisted pairs of solid copper conductors, each pair in an aluminum foil shield, with a braided shield of tinned copper over all of them and an orange, halogen-free jacket.
Key data
- Outer diameter
- 8.5 mmassumed
- Layers
- 7
Every cable is the answer to a task.
Layer by layer, to scale.
Installation cable: the permanently installed data cabling in buildings, for example between a distribution panel and an outlet.
inside
Bare copper
Ø 0.57 mm
Foam-skin polyethylene
Ø over this layer 1.4 mm
2 conductors
one colored and one white insulated conductor, twisted together
Aluminum
4 pairs
pair colors blue, orange, green and brown
Tinned copper
Single wire Ø 0.1 mmassumed
Halogen-free compound
outsideØ 8.5 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 scale
Outer diameterassumed
8.5 mm
Insulation
1.4 mm
Conductor, solid
0.57 mm
In the model, each pair is a round body with the foil around it. In the real cable the foil hugs the pair and the pairs move closer together. The model therefore measures 8.5 mm; a distributor's catalog lists 7.5 mm for this cable.
To look for yourself, take it in your hand.
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S/FTP AWG 23 as a 3D model, from the same data as every picture on this page.
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3D model3D model · 888 kB
The model becomes every picture and every film.
One model, every picture.
Taken apart, up close, where it is used: pick a picture or a film of S/FTP AWG 23. All of them are computed, not photographed, and say nothing about what the cable is approved for.
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 “4x2xAWG23/1”, 4x2 means four pairs and /1 a solid conductor made of one wire.
Sources and assumptions
Conductor, insulation, foil per pair, braid, jacket material and pair colors follow the Prysmian UC900 AWG23/1 datasheet. The wire diameter of the braid, its number of wires and the lay lengths are assumed.
- Prysmian UC900 AWG23/1, manufacturer's datasheet
- Rules for using the pictures
- All pictures and films of S/FTP AWG 23 in the gallery
- What can be made from a model like this: Product images, Online catalog, Features
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