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. 749-1598
Mfr. Part No.6462 VI001
BrandAlpha Wire
kr 11 738,58
1 Reel of 305 Metre(s)
Reel(s)
- 0.32 mm² - 22 AWG 8mm - - Purple - 1/0.32 mm Screened 300 V - 305m
RS Stock No. 807-9010
Mfr. Part No.0030964
BrandLapp
kr 1 725,83
1 Reel of 50 Metre(s)
Reel(s)
1 0.5 mm² FD CP 20 AWG 5.9mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 382-7381
Mfr. Part No.9842NH.00305
BrandBelden
kr 19 338,31
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. 807-9183
Mfr. Part No.0038402
BrandLapp
kr 979,30
1 Reel of 50 Metre(s)
Reel(s)
2 0.25 mm² LiHCH 24 AWG 6.5mm S/UTP - Grey - - Screened 250 V Flame Retardant -
RS Stock No. 822-995
Mfr. Part No.8723.00305
BrandBelden
kr 5 535,83
1 Reel of 304 Metre(s)
Reel(s)
2 0.33 mm² Twisted Pair 22 AWG 4.06mm STP PVC Chrome 45 Ω 7/30 Screened 300 V Flame Retardant 304m
RS Stock No. 823-005
Mfr. Part No.8723.01152
BrandBelden
kr 2 779,16
1 Reel of 152 Metre(s)
Reel(s)
2 0.33 mm² Twisted Pair 22 AWG 4.06mm STP PVC Chrome 52 Ω 7/30 Screened 300 V - 152m
RS Stock No. 608-3972
Mfr. Part No.0035172
BrandLapp
kr 1 257,17
1 Reel of 100 Metre(s)
Reel(s)
4 0.5 mm² LiYY 20 AWG 8.7mm U/UTP PVC Grey - - Unscreened 500 V Flame Retardant 100m
RS Stock No. 749-1636
Mfr. Part No.6455 BK005
BrandAlpha Wire
kr 2 051,53
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. 749-1627
Mfr. Part No.6453 BK005
BrandAlpha Wire
kr 1 145,74
1 Reel of 30 Metre(s)
Reel(s)
1 0.462 mm² Twisted Pair 22 AWG 7.21mm Foil and Braid PVC Black 120 Ω 7/30 Screened 300 V Fire Resistant 30m
RS Stock No. 673-3191
Mfr. Part No.5473L SL005
BrandAlpha Wire
kr 589,03
1 Reel of 30 Metre(s)
Reel(s)
3 0.22 mm² Twisted Pair 24 AWG 5.79mm F/UTP LSZH Grey 95 Ω 7/0.2 mm Screened 300 V - 30m
RS Stock No. 168-3072
Mfr. Part No.6012C SL001
BrandAlpha Wire
kr 16 366,75
1 Reel of 304 Metre(s)
Reel(s)
6 0.35 mm² Twisted Pair 22 AWG 9.6mm F/UTP PVC Grey 60 Ω 7/0.25 mm Screened 300 V Flame Retardant 304m
RS Stock No. 807-9212
Mfr. Part No.0038604
BrandLapp
kr 1 655,28
1 Reel of 50 Metre(s)
Reel(s)
4 0.5 mm² LiHCH 20 AWG 9.6mm S/UTP - Grey - - Screened 250 V Flame Retardant -
RS Stock No. 832-4815
Mfr. Part No.78073
BrandAlpha Wire
kr 1 721,62
1 Reel of 30 Metre(s)
Reel(s)
3 0.241 mm² Twisted Pair 24 AWG 4.37mm Unshielded MPPE Grey 82 Ω 19/0.127 mm Unscreened 300 V Halogen Free 30m
RS Stock No. 382-872
Mfr. Part No.70001NH.00120
BrandBelden
kr 3 743,04
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. 812-4674
BrandRS PRO
kr 2 055,71
1 Reel of 500 Metre(s)
Reel(s)
1 0.9 mm² Multicore 20 AWG 5.1mm Unshielded PVC Grey - 10/0.254 mm Unscreened - - 500m
RS Stock No. 673-3223
Mfr. Part No.5480L SL005
BrandAlpha Wire
kr 1 298,49
1 Reel of 30 Metre(s)
Reel(s)
10 0.22 mm² Twisted Pair 24 AWG 9.6mm F/UTP LSZH Grey 78 Ω 7/0.2 mm Screened 300 V - 30m
RS Stock No. 382-7202
Mfr. Part No.8723NH.00305
BrandBelden
kr 5 520,93
1 Reel of 304 Metre(s)
Reel(s)
2 0.33 mm² Twisted Pair 22 AWG 4.55mm U/STP LSZH Chrome 45 Ω 7/30 Screened 300 V - 304m
RS Stock No. 822-989
Mfr. Part No.8723.003
BrandBelden
kr 700,77
1 Reel of 30 Metre(s)
Reel(s)
2 0.33 mm² Twisted Pair 22 AWG 4.06mm STP PVC Chrome 45 Ω 7/30 Screened 300 V - 30m
RS Stock No. 362-588
Mfr. Part No.44A1121-22-2/6-9
kr 5 182,40
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. 608-4098
Mfr. Part No.0035801
BrandLapp
kr 1 645,60
1 Reel of 100 Metre(s)
Reel(s)
3 0.25 mm² LiYCY 24 AWG 7.1mm S/UTP PVC Grey - - Screened 500 V Flame Retardant 100m