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
$859.37
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. 822-995
Mfr. Part No.8723.00305
BrandBelden
$662.13
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
RS Stock No. 382-7202
Mfr. Part No.8723NH.00305
BrandBelden
$1,317.56
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. 822-989
Mfr. Part No.8723.003
BrandBelden
$159.52
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. 823-005
Mfr. Part No.8723.01152
BrandBelden
$479.16
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. 749-1633
Mfr. Part No.6454 BK001
BrandAlpha Wire
$1,164.48
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. 749-1624
Mfr. Part No.6454 BK005
BrandAlpha Wire
$159.07
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. 382-7022
Mfr. Part No.3107A.00305
BrandBelden
$2,243.30
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. 382-649
Mfr. Part No.9510.00152
BrandBelden
$820.60
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. 749-1630
Mfr. Part No.6455 BK001
BrandAlpha Wire
$2,723.84
1 Reel of 305 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 305m
RS Stock No. 749-1636
Mfr. Part No.6455 BK005
BrandAlpha Wire
$269.68
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. 168-3066
Mfr. Part No.6010C SL001
BrandAlpha Wire
$1,156.75
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. 393-826
Mfr. Part No.6010C SL033
BrandAlpha Wire
$720.74
1 Reel of 100 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 - 100m
RS Stock No. 111-9234
Mfr. Part No.6010C SL005
BrandAlpha Wire
$165.07
1 Reel of 30 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 30m
RS Stock No. 608-4010
Mfr. Part No.0035141
BrandLapp
$223.24
1 Reel of 100 Metre(s)
Reel(s)
3 0.14 mm² LiYCY 26 AWG 5.8mm S/UTP PVC Grey - - Screened 350 V Flame Retardant 100m
RS Stock No. 126-5157
Mfr. Part No.5471C SL001
BrandAlpha Wire
$414.52
1 Reel of 304 Metre(s)
Reel(s)
1 0.23 mm² Twisted Pair 24 AWG 3.96mm F/UTP PVC Grey 54 Ω 7/0.2 mm Screened 300 V Flame Retardant 304m
RS Stock No. 393-028
Mfr. Part No.5471C SL033
BrandAlpha Wire
$114.66
1 Reel of 100 Metre(s)
Reel(s)
1 0.23 mm² Twisted Pair 24 AWG 3.96mm F/UTP PVC Grey 54 Ω 7/0.2 mm Screened 300 V - 100m
RS Stock No. 111-8944
Mfr. Part No.5471C SL005
BrandAlpha Wire
$64.48
1 Reel of 30 Metre(s)
Reel(s)
1 0.23 mm² Twisted Pair 24 AWG 3.96mm F/UTP PVC Grey 54 Ω 7/0.2 mm Screened 300 V Flame Retardant 30m
RS Stock No. 812-4671
BrandRS PRO
$97.08
1 Reel of 100 Metre(s)
Reel(s)
1 0.9 mm² Multicore 20 AWG 5.1mm Unshielded PVC Grey - 10/0.254 mm Unscreened 300 V ac - 100m
RS Stock No. 749-1620
Mfr. Part No.6453 BK001
BrandAlpha Wire
$1,060.85
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
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