Twisted & Multipair Industrial Cable

Twisted pair cables are a type of wiring that features two conductors on a single circuit, twisted together. When a wire is carrying its current, it naturally creates an electromagnetic fields around that wire, therefore interfering with nearby cables. To reduce and eliminate this effect, twisted pairs carry signals in the opposite directions, so the two magnetic fields will occur at the opposite ends, essentially cancelling each other out. This is commonly known as cancellation.

Why use a twisted pair cable?

Generally, over a typical coaxial cable, twisted pairs are usually more accommodating in terms of flexibility and being able to bend them without significant loss in signal. The thickness of a coaxial cable can also attribute to the cost to produce, therefore the twisted offers a cheaper alternative whilst maintaining a high quality.

The twisted cable usually comes in two basic types, either shielded (STP) or unshielded (UTP), depending on where you were using the cable would determine the usage.

Some common industry acronyms you might see are:

U = unshielded
F = foil shielding
TP = twisted pair
S = braided shielding
Different levels of shielding will determine the effectiveness of the cable, each offering its own benefits.

Applications of twisted pairs

Twisted pairs are commonly used in telephone and data networks as they are reliable in exchanging high volumes of data at fast speeds all whilst remaining consistent at negating the crosstalk between the pairs and defending against any other external interference. Some twisted pair cables feature great resistance to fire and are sometimes halogen free, making them ideal for public buildings like schools, offices or hospitals.

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Description Price Number of Pairs Cross Sectional Area Cable Type American Wire Gauge Outer Diameter Shield Type Outer Sheath Material Sheath Colour Characteristic Impedance Core Strands Screened/Unscreened Voltage Rating Fire Behaviour Length
RS Stock No. 126-5214
Mfr. Part No.5474C SL001
BrandAlpha Wire
£341.09
1 Reel of 304 Metre(s)
Reel(s)
4 0.23 mm² Twisted Pair 24 AWG 6.17mm F/UTP PVC Grey 76 Ω 7/0.2 mm Screened 300 V Flame Retardant 304m
RS Stock No. 393-012
Mfr. Part No.5474C SL033
BrandAlpha Wire
£102.38
1 Reel of 100 Metre(s)
Reel(s)
4 0.23 mm² Twisted Pair 24 AWG 6.17mm F/UTP PVC Grey 76 Ω 7/0.2 mm Screened 300 V - 100m
RS Stock No. 608-4032
Mfr. Part No.0035133
BrandLapp
£146.40
1 Reel of 100 Metre(s)
Reel(s)
6 0.14 mm² LiYCY 26 AWG 7.1mm S/UTP PVC Grey - 0.14 mm² Screened 350 V - 100m
RS Stock No. 382-7381
Mfr. Part No.9842NH.00305
BrandBelden
£1,416.66
1 Reel of 304 Metre(s)
Reel(s)
2 0.2 mm² Twisted Pair 24 AWG 8.7mm SF/UTP LSZH Chrome 120 Ω 7/32 Screened 300 V - 304m
RS Stock No. 382-7230
Mfr. Part No.8762NH.00305
BrandBelden
£407.18
1 Reel of 304 Metre(s)
Reel(s)
1 0.5 mm² Twisted Pair 20 AWG 5.6mm F/UTP LSZH Chrome - 7/28 Screened 300 V Flame Retardant, Low Smoke Zero Halogen (LSZH) 304m
RS Stock No. 382-576
Mfr. Part No.9501.00U305
BrandBelden
£196.92
1 Box of 304 Metre(s)
Box(es)
1 - Twisted Pair 24 AWG 3.96mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V - 304m
RS Stock No. 382-7195
Mfr. Part No.8471NH.00305
BrandBelden
£533.23
1 Reel of 304 Metre(s)
Reel(s)
1 1.33 mm² Twisted Pair 16 AWG 7.15mm - LSZH Chrome - 19/29 Screened 300 V Flame Retardant, Low Smoke Zero Halogen (LSZH) 304m
RS Stock No. 111-8966
Mfr. Part No.5473C SL005
BrandAlpha Wire
£40.50
1 Reel of 30 Metre(s)
Reel(s)
3 0.23 mm² Twisted Pair 24 AWG 5.69mm F/UTP PVC Grey 76 Ω 7/0.2 mm Screened 300 V Flame Retardant 30m
RS Stock No. 126-5191
Mfr. Part No.5473C SL001
BrandAlpha Wire
£273.60
1 Reel of 304 Metre(s)
Reel(s)
3 0.23 mm² Twisted Pair 24 AWG 5.69mm F/UTP PVC Grey 76 Ω 7/0.2 mm Screened 300 V Flame Retardant 304m
RS Stock No. 382-649
Mfr. Part No.9510.00152
BrandBelden
£594.59
1 Box of 152 Metre(s)
Box(es)
10 0.2 mm² Twisted Pair 24 AWG 9.34mm SF/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 152m
RS Stock No. 382-7218
Mfr. Part No.8760NH.00305
BrandBelden
£428.68
1 Reel of 304
Reel(s)
1 0.8 mm² Twisted Pair 18 AWG 6mm F/UTP LSZH Chrome - 16/30 Screened 300 V Flame Retardant, Halogen Free 304m
RS Stock No. 749-1630
Mfr. Part No.6455 BK001
BrandAlpha Wire
£1,147.02
1 Reel of 305 Metre(s)
Reel(s)
2 0.456 mm² Twisted Pair 22 AWG 10.36mm Foil and Braid PVC Black 120 Ω 7/30 Screened 300 V Fire Resistant 305m
RS Stock No. 749-1636
Mfr. Part No.6455 BK005
BrandAlpha Wire
£152.06
1 Reel of 30 Metre(s)
Reel(s)
2 0.456 mm² Twisted Pair 22 AWG 10.36mm Foil and Braid PVC Black 120 Ω 7/30 Screened 300 V Fire Resistant 30m
RS Stock No. 111-9278
Mfr. Part No.6017C SL005
BrandAlpha Wire
£388.80
1 Reel of 30 Metre(s)
Reel(s)
12 0.35 mm² Twisted Pair 22 AWG 12.27mm F/UTP PVC Grey 60 Ω 7/0.25 mm Screened 300 V Flame Retardant 30m
RS Stock No. 362-588
Mfr. Part No.44A1121-22-2/6-9
£355.24
1 Reel of 100 Metre(s)
Reel(s)
1 0.38 mm² Type 44 22 AWG 3.56mm S/UTP - White - 19/0.16 mm Screened 600 V Flame Retardant, Low Smoke Density, Self-extinguishing 100m
RS Stock No. 382-872
Mfr. Part No.70001NH.00120
BrandBelden
£327.52
1 Reel of 120 Metre(s)
Reel(s)
1 - Twisted Pair 18 AWG 8mm SF/UTP LSZH Black 100 Ω 7/26 Screened 300 V - 120m
RS Stock No. 673-3210
Mfr. Part No.5478L SL005
BrandAlpha Wire
£96.42
1 Reel of 30 Metre(s)
Reel(s)
8 0.22 mm² Twisted Pair 24 AWG 8.1mm F/UTP LSZH Grey 78 Ω 7/0.2 mm Screened 300 V - 30m
RS Stock No. 382-582
Mfr. Part No.9504.00U152
BrandBelden
£216.67
1 Box of 152 Metre(s)
Box(es)
4 0.2 mm² Twisted Pair 24 AWG 6.73mm SF/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 152m
RS Stock No. 382-829
Mfr. Part No.9504.00U305
BrandBelden
£448.67
1 Box of 304 Metre(s)
Box(es)
4 0.2 mm² Twisted Pair 24 AWG 6.73mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 304m
RS Stock No. 608-3950
Mfr. Part No.0035170
BrandLapp
£72.87
1 Reel of 100 Metre(s)
Reel(s)
2 0.5 mm² LiYY 20 AWG 7.9mm U/UTP PVC Grey - - Unscreened 500 V Flame Retardant 100m
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