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. 740-4926
Mfr. Part No.B962034 GE321
BrandAlpha Wire
TWD3,595.00
1 Reel of 50 Metre(s)
Reel(s)
3 0.14 mm² Twisted Pair 26 AWG 5.92mm Foil and Braid PVC Grey 83 Ω 7/34 Screened 300 V Flame Retardant 50m
RS Stock No. 382-7101
Mfr. Part No.7704NH.00305
BrandBelden
TWD21,233.00
1 Reel of 304 Metre(s)
Reel(s)
2 0.33 mm² Twisted Pair 22 AWG 6.5mm F/UTP LSZH White 100 Ω - Screened 300 V - 304m
RS Stock No. 832-4950
Mfr. Part No.78172
BrandAlpha Wire
TWD6,143.00
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. 175-7356
Mfr. Part No.B963031 GE033
BrandAlpha Wire
TWD5,157.00
1 Reel of 100 Metre(s)
Reel(s)
3 0.23 mm² Twisted Pair 24 AWG 5.66mm Unshielded PVC Grey 86 Ω 7/32 Unscreened 300 V Flame Retardant 100m
RS Stock No. 807-9001
Mfr. Part No.0030963
BrandLapp
TWD4,283.00
1 Reel of 50 Metre(s)
Reel(s)
1 0.34 mm² FD CP 22 AWG 5.3mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 187-2023
Mfr. Part No.6073C SL001
BrandAlpha Wire
TWD35,530.00
1 Reel of 305 Metre(s)
Reel(s)
3 0.23 mm² Twisted Pair 24 AWG 10.06mm Aluminium/Mylar Tape PVC Grey 115 Ω 7/32 AWG - 300 V ac - -
RS Stock No. 873-1339
Mfr. Part No.25276 BK005
BrandAlpha Wire
TWD17,402.00
1 Reel of 30 Metre(s)
Reel(s)
- 0.23 mm² - 24 AWG 7.98mm - - Black - 7/0.20 mm Screened 300 V - 30m
RS Stock No. 807-8991
Mfr. Part No.0030956
BrandLapp
TWD17,063.00
1 Reel of 50 Metre(s)
Reel(s)
2 1 mm² FD CP 18 AWG 10.6mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 740-4866
Mfr. Part No.B962033 GE321
BrandAlpha Wire
TWD5,617.00
1 Reel of 50 Metre(s)
Reel(s)
3 0.14 mm² Twisted Pair 26 AWG 5.77mm Braid PVC Grey 83 Ω 7/34 Screened 300 V Flame Retardant 50m
RS Stock No. 126-5191
Mfr. Part No.5473C SL001
BrandAlpha Wire
TWD12,134.00
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. 673-3289
Mfr. Part No.6012L SL005
BrandAlpha Wire
TWD5,811.00
1 Reel of 30 Metre(s)
Reel(s)
6 0.35 mm² Twisted Pair 22 AWG 9.8mm U/STP LSZH Grey 46 Ω 7/0.25 mm Screened 300 V Fire Resistant 30m
RS Stock No. 807-9057
Mfr. Part No.0031332
BrandLapp
TWD5,972.00
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. 832-5199
Mfr. Part No.78376
BrandAlpha Wire
TWD16,241.00
1 Reel of 30 Metre(s)
Reel(s)
6 0.241 mm² Twisted Pair 24 AWG 6.55mm Foil and Braid MPPE Grey 82 Ω 19/0.127 mm Screened 300 V Halogen Free 30m
RS Stock No. 740-4759
Mfr. Part No.B963021 GE321
BrandAlpha Wire
TWD2,500.00
1 Reel of 50 Metre(s)
Reel(s)
2 0.23 mm² Twisted Pair 24 AWG 5.36mm Unshielded PVC Grey 86 Ω 7/32 Unscreened 300 V Flame Retardant 50m
RS Stock No. 176-2079
Mfr. Part No.8165 060100
BrandBelden
TWD38,570.00
1 Reel of 30 Metre(s)
Reel(s)
5 - - 24 AWG 10.414mm Tinned Copper Braid PVC Chrome 100 Ω 7/32 AWG - 300 V ac Flame Retardant, Low Smoke Zero Halogen (LSZH) 30m
RS Stock No. 382-7230
Mfr. Part No.8762NH.00305
BrandBelden
TWD15,636.00
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. 740-4963
Mfr. Part No.B964024 GE321
BrandAlpha Wire
TWD5,795.00
1 Reel of 50 Metre(s)
Reel(s)
2 0.35 mm² Twisted Pair 22 AWG 6.58mm Foil and Braid PVC Grey 57 Ω 7/30 Screened 300 V Flame Retardant 50m
RS Stock No. 187-1984
Mfr. Part No.2466C SL021
BrandAlpha Wire
TWD27.50
Each
units
2 0.35 mm² Twisted Pair 22 AWG 4.62mm Aluminium/Mylar Tape PVC Black, Grey 60 Ω 7/30 AWG - 300 V ac - -
RS Stock No. 740-4765
Mfr. Part No.B964011 GE321
BrandAlpha Wire
TWD2,843.00
1 Reel of 50 Metre(s)
Reel(s)
1 0.35 mm² Twisted Pair 22 AWG 4.24mm Unshielded PVC Grey 79 Ω 7/30 Unscreened 300 V Flame Retardant 50m
RS Stock No. 408-946
Mfr. Part No.86503CY SL005
BrandAlpha Wire
TWD8,143.00
1 Reel of 30 Metre(s)
Reel(s)
3 0.14 mm² Twisted Pair 26 AWG 6.45mm SF/UTP PVC Grey 83 Ω 7/0.16 mm Screened 300 V - 30m