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. 408-980
Mfr. Part No.86603CY SL005
BrandAlpha Wire
TWD8,781.00
1 Reel of 30 Metre(s)
Reel(s)
3 0.2 mm² Twisted Pair 24 AWG 6.91mm SF/UTP PVC Black 76 Ω 10/0.16 mm Screened 300 V - 30m
RS Stock No. 608-4177
Mfr. Part No.0035811
BrandLapp
TWD7,754.00
1 Reel of 100 Metre(s)
Reel(s)
3 0.5 mm² LiYCY 20 AWG 8.7mm S/UTP PVC Grey - - Screened 500 V Flame Retardant 100m
RS Stock No. 409-000
Mfr. Part No.86506CY SL005
BrandAlpha Wire
TWD12,595.00
1 Reel of 30 Metre(s)
Reel(s)
6 0.14 mm² Twisted Pair 26 AWG 7.95mm SF/UTP PVC Grey 89 Ω 7/0.16 mm Screened 300 V - 30m
RS Stock No. 382-7319
Mfr. Part No.9503NH.00305
BrandBelden
TWD16,772.00
1 Box of 304 Metre(s)
Box(es)
3 0.2 mm² Twisted Pair 24 AWG 6.2mm F/UTP LSZH Chrome - 7/32 Screened 300 V Flame Retardant, Low Smoke Zero Halogen (LSZH) 304m
RS Stock No. 749-1595
Mfr. Part No.6463 VI001
BrandAlpha Wire
TWD43,501.00
1 Reel of 305 Metre(s)
Reel(s)
- 0.35 mm² - 22 AWG 8mm - - Purple - 7/0.25 mm Screened 300 V - 305m
RS Stock No. 111-9278
Mfr. Part No.6017C SL005
BrandAlpha Wire
TWD17,243.00
1 Reel of 30 Metre(s)
Reel(s)
12 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. 408-833
Mfr. Part No.86702CY SL005
BrandAlpha Wire
TWD5,873.00
1 Reel of 30 Metre(s)
Reel(s)
2 0.38 mm² Twisted Pair 22 AWG 7.29mm SF/UTP PVC Black 53 Ω 19/0.16 mm Screened 300 V - 30m
RS Stock No. 807-9225
Mfr. Part No.0038702
BrandLapp
TWD5,582.00
1 Reel of 50 Metre(s)
Reel(s)
2 0.75 mm² LiHCH 18 AWG 9.5mm S/UTP - Grey - - Screened 250 V Flame Retardant -
RS Stock No. 408-867
Mfr. Part No.86504CY SL005
BrandAlpha Wire
TWD9,569.00
1 Reel of 30 Metre(s)
Reel(s)
4 0.14 mm² Twisted Pair 26 AWG 6.91mm SF/UTP PVC Grey 83 Ω 7/0.16 mm Screened 300 V - 30m
RS Stock No. 408-984
Mfr. Part No.86604CY SL005
BrandAlpha Wire
TWD8,102.00
1 Reel of 30 Metre(s)
Reel(s)
4 0.2 mm² Twisted Pair 24 AWG 7.42mm SF/UTP PVC Grey 76 Ω 10/0.16 mm Screened 300 V - 30m
RS Stock No. 382-7022
Mfr. Part No.3107A.00305
BrandBelden
TWD95,921.00
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. 807-9174
Mfr. Part No.0038325
BrandLapp
TWD16,084.00
1 Reel of 50 Metre(s)
Reel(s)
25 0.14 mm² LiHCH 26 AWG 12.7mm S/UTP - Grey - - Screened 250 V Flame Retardant -
RS Stock No. 705-6029
Mfr. Part No.5480/25C SL005
BrandAlpha Wire
TWD8,176.00
1 Reel of 30 Metre(s)
Reel(s)
25 0.23 mm² Twisted Pair 24 AWG 13.39mm F/UTP PVC Grey 82 Ω 7/0.2 mm Screened 300 V - 30m
RS Stock No. 749-1598
Mfr. Part No.6462 VI001
BrandAlpha Wire
TWD37,666.00
1 Reel of 305 Metre(s)
Reel(s)
- 0.32 mm² - 22 AWG 8mm - - Purple - 1/0.32 mm Screened 300 V - 305m
RS Stock No. 382-633
Mfr. Part No.9519 060500
BrandBelden
TWD50,328.00
1 Box of 152 Metre(s)
Box(es)
19 0.2 mm² Twisted Pair 24 AWG 11.4mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 152m
RS Stock No. 409-163
Mfr. Part No.5124C SL005
BrandAlpha Wire
TWD4,520.00
1 Reel of 30
Reel(s)
4 - Twisted Pair 22 AWG 7.49mm SF/UTP PVC Grey 70 Ω 7/0.25 mm Screened 300 V Fire Resistant 30m
RS Stock No. 409-230
Mfr. Part No.25482 BK005
BrandAlpha Wire
TWD12,557.00
1 Reel of 30 Metre(s)
Reel(s)
2 0.35 mm² Twisted Pair 22 AWG 5.99mm Foil PUR Black 57 Ω 7/0.25 mm Screened 300 V - 30m
RS Stock No. 111-3154
BrandRS PRO
TWD13,851.00
1 Reel of 100 Metre(s)
Reel(s)
- 0.2 mm² - 24 AWG 2.4mm Nickel Plated Copper - Blue - 2/0.08 mm - 600 V ac Low Smoke Density 100m
RS Stock No. 408-883
Mfr. Part No.86402CY SL005
BrandAlpha Wire
TWD6,625.00
1 Reel of 30 Metre(s)
Reel(s)
2 0.09 mm² Twisted Pair 28 AWG 5.87mm SF/UTP PVC Grey 82 Ω 7/0.13 mm Screened 300 V - 30m
RS Stock No. 122-3052
BrandRS PRO
TWD7,351.00
1 Reel of 100
Reel(s)
4 0.2 mm² Multicore 24 AWG 6.9mm Aluminium Foil-PET Tape PVC Grey 77 Ω 7/0.2 mm Screened 300 V - 100m