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. 812-4719
BrandRS PRO
TWD9,000.00
1 Reel of 100 Metre(s)
Reel(s)
15 - Twisted Pair 24 AWG 10.8mm Tinned Copper PVC Grey - 7/0.2 mm Screened - - -
RS Stock No. 136-8507
Mfr. Part No.78378 SL005
BrandAlpha Wire
TWD18,345.00
1 Reel of 30 Metre(s)
Reel(s)
8 0.24 mm² Twisted Pair 24 AWG 7.06mm Foil and Braid MPPE Grey 82 Ω 19/36 - 300 V Halogen Free 30m
RS Stock No. 382-649
Mfr. Part No.9510.00152
BrandBelden
TWD29,885.00
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. 122-3055
BrandRS PRO
TWD6,605.00
1 Reel of 100 Metre(s)
Reel(s)
3 0.2 mm² Multicore 24 AWG 6mm Aluminium Foil-PET Tape LSZH Grey 85 Ω 7/0.2 mm Screened 300 V Flame Retardant, Low Smoke Zero Halogen (LSZH) 100m
RS Stock No. 111-9262
Mfr. Part No.6016C SL005
BrandAlpha Wire
TWD14,568.00
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. 807-9041
Mfr. Part No.0031328
BrandLapp
TWD9,416.00
1 Reel of 50 Metre(s)
Reel(s)
8 0.34 mm² Li2YCY 22 AWG 11mm S/UTP PVC Grey 100 Ω - Screened 250 V Flame Retardant -
RS Stock No. 740-4822
Mfr. Part No.B963052 GE321
BrandAlpha Wire
TWD4,888.00
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
RS Stock No. 168-3072
Mfr. Part No.6012C SL001
BrandAlpha Wire
TWD32,142.00
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. 382-7218
Mfr. Part No.8760NH.00305
BrandBelden
TWD29,951.00
1 Reel of 304 Metre(s)
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. 807-8944
Mfr. Part No.0030914
BrandLapp
TWD7,683.00
1 Reel of 50 Metre(s)
Reel(s)
6 0.14 mm² FD CP 26 AWG 7.5mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 832-5219
Mfr. Part No.78386
BrandAlpha Wire
TWD353,283.00
1 Reel of 30 Metre(s)
Reel(s)
6 0.382 mm² Twisted Pair 22 AWG 7.42mm Foil and Braid MPPE Grey 76 Ω 19/0.16 mm Screened 300 V Halogen Free 30m
RS Stock No. 749-1620
Mfr. Part No.6453 BK001
BrandAlpha Wire
TWD26,012.00
1 Reel of 305 Metre(s)
Reel(s)
1 0.456 mm² Twisted Pair 22 AWG 7.21mm Foil and Braid PVC Black 120 Ω 7/30 Screened 300 V Fire Resistant 305m
RS Stock No. 382-7353
Mfr. Part No.9506NH.00500
BrandBelden
TWD48,930.00
1 Box of 500 Metre(s)
Box(es)
6 0.2 mm² Twisted Pair 24 AWG 7.6mm F/UTP LSZH Chrome - 7/32 Screened 300 V - 500m
RS Stock No. 740-4780
Mfr. Part No.B965021 GE321
BrandAlpha Wire
TWD5,113.00
1 Reel of 50 Metre(s)
Reel(s)
2 0.56 mm² Twisted Pair 20 AWG 7.54mm Unshielded PVC Grey 73 Ω 7/28 Unscreened 300 V Flame Retardant 50m
RS Stock No. 807-9079
Mfr. Part No.0031371
BrandLapp
TWD3,611.00
1 Reel of 50 Metre(s)
Reel(s)
2 0.25 mm² Li2YCY 24 AWG 6.9mm S/UTP PVC Grey 100 Ω - Screened 250 V Flame Retardant -
RS Stock No. 873-1345
Mfr. Part No.25122 BK005
BrandAlpha Wire
TWD143,332.00
1 Reel of 30 Metre(s)
Reel(s)
- 0.35 mm² - 22 AWG 6.6mm - - Black - 7/0.25 mm Screened 300 V - 30m
RS Stock No. 187-2018
Mfr. Part No.5905C SL005
BrandAlpha Wire
TWD147.00
Each
units
4 0.32 mm² Twisted Pair 22 AWG 7.32mm Aluminium/Mylar Tape PVC Grey 70 Ω - - 300 V ac - -
RS Stock No. 175-7355
Mfr. Part No.B963024 GE033
BrandAlpha Wire
TWD5,518.00
1 Reel of 100 Metre(s)
Reel(s)
2 0.23 mm² Twisted Pair 24 AWG 6.07mm Foil and Braid PVC Grey 64 Ω 7/32 Screened 300 V Flame Retardant 100m
RS Stock No. 740-4847
Mfr. Part No.B964042 GE321
BrandAlpha Wire
TWD2,994.00
1 Reel of 50 Metre(s)
Reel(s)
4 0.35 mm² Twisted Pair 22 AWG 6.86mm Foil PVC Grey 70 Ω 7/30 Screened 300 V Flame Retardant 50m
RS Stock No. 409-286
Mfr. Part No.25271 BK005
BrandAlpha Wire
TWD9,116.00
1 Reel of 30 Metre(s)
Reel(s)
1 0.23 mm² Twisted Pair 24 AWG 4.67mm Foil and Braid PUR Black 54 Ω 7/0.2 mm Screened 300 V - 30m