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. 807-9146
Mfr. Part No.0038302
BrandLapp
$165.73
1 Reel of 50 Metre(s)
Reel(s)
2 0.14 mm² LiHCH 26 AWG 5.9mm S/UTP - Grey - - Screened 250 V Flame Retardant -
RS Stock No. 823-184
Mfr. Part No.8777.00U152
BrandBelden
$1,059.47
1 Reel of 152 Metre(s)
Reel(s)
3 0.33 mm² Twisted Pair 22 AWG 6.93mm U/STP PVC Chrome 50 Ω 7/30 Screened 30 V - 152m
RS Stock No. 229-1551
Mfr. Part No.44A1121-18-2/6-9
$1,157.49
1 Reel of 100 Metre(s)
Reel(s)
1 0.93 mm² Type 44 18 AWG 4.57mm S/UTP - White - 19/0.25 mm Screened 600 V Flame Retardant, Low Smoke Density, Self-extinguishing 100m
RS Stock No. 812-4696
BrandRS PRO
$235.94
1 Reel of 50 Metre(s)
Reel(s)
3 0.76 mm² Twisted Pair 22 AWG 7.9mm Aluminium Foil-PET Tape PVC Grey - 7/0.254 mm Screened - - 50m
RS Stock No. 608-4032
Mfr. Part No.0035133
BrandLapp
$299.79
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. 122-3051
BrandRS PRO
$184.54
1 Reel of 100
Reel(s)
2 0.33 mm² Multicore 22 AWG 6.2mm Aluminium Foil-PET Tape PVC Grey 80 Ω 7/0.254 mm Screened 300 V - 100m
RS Stock No. 807-9013
Mfr. Part No.0030965
BrandLapp
$368.96
1 Reel of 50 Metre(s)
Reel(s)
1 0.75 mm² FD CP 19 AWG 6.3mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 608-4127
Mfr. Part No.0035804
BrandLapp
$480.29
1 Reel of 100 Metre(s)
Reel(s)
8 0.25 mm² LiYCY 24 AWG 10.3mm S/UTP PVC Grey - 0.25 mm² Screened 500 V - 100m
RS Stock No. 608-4004
Mfr. Part No.0035131
BrandLapp
$161.23
1 Reel of 100 Metre(s)
Reel(s)
2 0.14 mm² LiYCY 26 AWG 5.3mm S/UTP PVC Grey - 0.14 mm² Screened 350 V - 100m
RS Stock No. 802-323
Mfr. Part No.9502.00U305
BrandBelden
$739.46
1 Box of 304 Metre(s)
Box(es)
2 0.2 mm² Twisted Pair 24 AWG 5.64mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 304m
RS Stock No. 807-8947
Mfr. Part No.0030919
BrandLapp
$329.39
1 Reel of 50 Metre(s)
Reel(s)
2 0.25 mm² FD CP 24 AWG 7mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 807-9004
Mfr. Part No.0030958
BrandLapp
$1,023.30
1 Reel of 50 Metre(s)
Reel(s)
4 1 mm² FD CP 18 AWG 12.7mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 608-4082
Mfr. Part No.0035800
BrandLapp
$241.33
1 Reel of 100 Metre(s)
Reel(s)
2 0.25 mm² LiYCY 24 AWG 6.2mm S/UTP PVC Grey - - Screened 500 V Flame Retardant 100m
RS Stock No. 382-7101
Mfr. Part No.7704NH.00305
BrandBelden
$1,032.37
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. 873-1339
Mfr. Part No.25276 BK005
BrandAlpha Wire
$834.45
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. 807-9219
Mfr. Part No.0038608
BrandLapp
$734.13
1 Reel of 50 Metre(s)
Reel(s)
8 0.5 mm² LiHCH 20 AWG 13.3mm S/UTP - Grey - - Screened 250 V Flame Retardant -
RS Stock No. 740-4759
Mfr. Part No.B963021 GE321
BrandAlpha Wire
$119.89
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. 382-7325
Mfr. Part No.9504NH.00500
BrandBelden
$1,608.75
1 Box of 500 Metre(s)
Box(es)
4 0.2 mm² Twisted Pair 24 AWG 7mm F/UTP LSZH Chrome - 7/32 Screened 300 V Flame Retardant, Low Smoke Zero Halogen (LSZH) 132m
RS Stock No. 175-7354
Mfr. Part No.B963021 GE033
BrandAlpha Wire
$199.80
1 Reel of 100 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 100m
RS Stock No. 749-1595
Mfr. Part No.6463 VI001
BrandAlpha Wire
$2,115.12
1 Reel of 305 Metre(s)
Reel(s)
- 0.35 mm² - 22 AWG 8mm - - Purple - 7/0.25 mm Screened 300 V - 305m