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. 382-872
Mfr. Part No.70001NH.00120
BrandBelden
kr 4 681,66
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. 749-1636
Mfr. Part No.6455 BK005
BrandAlpha Wire
kr 2 133,59
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. 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
RS Stock No. 807-9199
Mfr. Part No.0038406
BrandLapp
kr 2 035,12
1 Reel of 50 Metre(s)
Reel(s)
6 0.25 mm² LiHCH 24 AWG 8.7mm S/UTP - Grey - - Screened 250 V Flame Retardant -
RS Stock No. 111-9240
Mfr. Part No.6012C SL005
BrandAlpha Wire
kr 1 324,71
1 Reel of 30 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 30m
RS Stock No. 608-3972
Mfr. Part No.0035172
BrandLapp
kr 1 307,46
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. 807-8966
Mfr. Part No.0030930
BrandLapp
kr 3 195,21
1 Reel of 50 Metre(s)
Reel(s)
4 0.34 mm² FD CP 22 AWG 9.2mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 168-3066
Mfr. Part No.6010C SL001
BrandAlpha Wire
kr 6 988,43
1 Reel of 304 Metre(s)
Reel(s)
3 0.35 mm² Twisted Pair 22 AWG 7.57mm F/UTP PVC Grey 55 Ω 7/0.25 mm Screened 300 V Flame Retardant 304m
RS Stock No. 382-633
Mfr. Part No.9519 060500
BrandBelden
kr 19 992,18
1 Box of 152
Box(es)
19 0.2 mm² Twisted Pair 24 AWG 11.4mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 152m
RS Stock No. 382-611
Mfr. Part No.9508.00305
BrandBelden
kr 14 689,65
1 Box of 304
Box(es)
8 0.2 mm² Twisted Pair 24 AWG 8.23mm SF/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 304m
RS Stock No. 111-9262
Mfr. Part No.6016C SL005
BrandAlpha Wire
kr 4 264,76
1 Reel of 30 Metre(s)
Reel(s)
11 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. 807-8972
Mfr. Part No.0030939
BrandLapp
kr 5 421,41
1 Reel of 50 Metre(s)
Reel(s)
4 0.5 mm² FD CP 20 AWG 10.7mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 111-8966
Mfr. Part No.5473C SL005
BrandAlpha Wire
kr 504,65
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. 832-4806
Mfr. Part No.78072
BrandAlpha Wire
kr 1 667,18
1 Reel of 30 Metre(s)
Reel(s)
2 0.241 mm² Twisted Pair 24 AWG 4.11mm Unshielded MPPE Grey 82 Ω 19/0.127 mm Unscreened 300 V Halogen Free 30m
RS Stock No. 126-5191
Mfr. Part No.5473C SL001
BrandAlpha Wire
kr 2 778,29
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. 807-9057
Mfr. Part No.0031332
BrandLapp
kr 1 698,66
1 Reel of 50 Metre(s)
Reel(s)
4 0.5 mm² Li2YCY 20 AWG 9.6mm S/UTP PVC Grey 100 Ω - Screened 250 V Flame Retardant -
RS Stock No. 832-4950
Mfr. Part No.78172
BrandAlpha Wire
kr 1 947,72
1 Reel of 30 Metre(s)
Reel(s)
2 0.241 mm² Twisted Pair 24 AWG 4.22mm Foil MPPE Grey 57 Ω 19/0.127 mm Screened 300 V Halogen Free 30m
RS Stock No. 393-012
Mfr. Part No.5474C SL033
BrandAlpha Wire
kr 1 333,49
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. 409-236
Mfr. Part No.25483 BK005
BrandAlpha Wire
kr 1 992,47
1 Reel of 30 Metre(s)
Reel(s)
3 0.35 mm² Twisted Pair 22 AWG 6.32mm Foil PUR Black 70 Ω 7/0.25 mm Screened 300 V - 30m
RS Stock No. 740-4822
Mfr. Part No.B963052 GE321
BrandAlpha Wire
kr 1 624,51
1 Reel of 50 Metre(s)
Reel(s)
5 0.23 mm² Twisted Pair 24 AWG 6.78mm Foil PVC Grey 76 Ω 7/32 Screened 300 V Flame Retardant 50m