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. 382-7000
Mfr. Part No.3105A.00152
BrandBelden
MYR2,580.86
1 Reel of 152 Metre(s)
Reel(s)
1 0.33 mm² Twisted Pair 22 AWG 7.21mm F/FTP PVC Black 120 Ω 7/30 Screened 300 V - 152m
RS Stock No. 122-3065
BrandRS PRO
MYR841.66
1 Reel of 100
Reel(s)
4 0.2 mm² Multicore 24 AWG 6.6mm 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. 382-7381
Mfr. Part No.9842NH.00305
BrandBelden
MYR7,750.74
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. 382-7022
Mfr. Part No.3107A.00305
BrandBelden
MYR7,537.90
1 Reel of 304 Metre(s)
Reel(s)
2 0.33 mm² Twisted Pair 22 AWG 9.04mm SF/UTP PVC Black 120 Ω 7/30 Screened 300 V Flame Retardant 304m
RS Stock No. 382-576
Mfr. Part No.9501.00U305
BrandBelden
MYR960.86
1 Box of 304 Metre(s)
Box(es)
1 - Twisted Pair 24 AWG 3.96mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V - 304m
RS Stock No. 807-8941
Mfr. Part No.0030921
BrandLapp
MYR1,764.32
1 Reel of 50 Metre(s)
Reel(s)
4 0.25 mm² FD CP 24 AWG 8.3mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 807-9007
Mfr. Part No.0030962
BrandLapp
MYR490.23
1 Reel of 50 Metre(s)
Reel(s)
1 0.25 mm² FD CP 24 AWG 4.9mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 807-9212
Mfr. Part No.0038604
BrandLapp
MYR1,188.70
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. 749-1624
Mfr. Part No.6454 BK005
BrandAlpha Wire
MYR531.92
1 Reel of 30 Metre(s)
Reel(s)
1 0.456 mm² Twisted Pair 22 AWG 7.62mm Foil and Braid PVC Black 120 Ω 7/30 Screened 300 V Fire Resistant 30m
RS Stock No. 331-8900
Mfr. Part No.9842.00152
BrandBelden
MYR3,329.61
1 Reel of 152 Metre(s)
Reel(s)
2 0.2 mm² Twisted Pair 24 AWG 8.64mm SF/UTP PVC Chrome 120 Ω 7/32 Screened 30 V - 152m
RS Stock No. 807-8935
Mfr. Part No.0030912
BrandLapp
MYR1,718.58
1 Reel of 50 Metre(s)
Reel(s)
4 0.14 mm² FD CP 26 AWG 6.7mm S/UTP PUR Grey - - Screened 250 V Flame Retardant -
RS Stock No. 331-9098
Mfr. Part No.8132 060500
BrandBelden
MYR2,395.97
1 Reel of 152 Metre(s)
Reel(s)
2 0.07 mm² Twisted Pair 28 AWG 5.59mm F/UTP PVC Chrome 120 Ω 7/36 Screened 30 V - 152m
RS Stock No. 749-1633
Mfr. Part No.6454 BK001
BrandAlpha Wire
MYR3,674.64
1 Reel of 305 Metre(s)
Reel(s)
1 0.456 mm² Twisted Pair 22 AWG 7.62mm Foil and Braid PVC Black 120 Ω 7/30 Screened 300 V Fire Resistant 305m
RS Stock No. 822-989
Mfr. Part No.8723.003
BrandBelden
MYR290.74
1 Reel of 30 Metre(s)
Reel(s)
2 0.33 mm² Twisted Pair 22 AWG 4.06mm U/STP PVC Chrome 45 Ω 7/30 Screened 300 V - 30m
RS Stock No. 807-8947
Mfr. Part No.0030919
BrandLapp
MYR1,154.75
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. 382-7202
Mfr. Part No.8723NH.00305
BrandBelden
MYR2,699.18
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. 608-4026
Mfr. Part No.0035132
BrandLapp
MYR756.40
1 Reel of 100 Metre(s)
Reel(s)
4 0.14 mm² LiYCY 26 AWG 6.2mm S/UTP PVC Grey - - Screened 350 V Flame Retardant 100m
RS Stock No. 860-6704
BrandRS PRO
MYR346.89
1 Reel of 100 Metre(s)
Reel(s)
1 0.35 mm² Multicore 22 AWG 3.8mm Aluminium Foil-PET Tape PVC Grey 51 Ω 7/0.254 mm Screened 300 V - 100m
RS Stock No. 823-005
Mfr. Part No.8723.01152
BrandBelden
MYR1,441.12
1 Reel of 152 Metre(s)
Reel(s)
2 0.33 mm² Twisted Pair 22 AWG 4.06mm U/STP PVC Chrome 52 Ω 7/30 Screened 300 V - 152m
RS Stock No. 822-995
Mfr. Part No.8723.00305
BrandBelden
MYR2,586.50
1 Reel of 304 Metre(s)
Reel(s)
2 0.33 mm² Twisted Pair 22 AWG 4.06mm U/STP PVC Chrome 45 Ω 7/30 Screened 300 V Flame Retardant 304m
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