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. 812-4753
BrandRS PRO
TWD7,826.00
1 Reel of 100 Metre(s)
Reel(s)
2 0.76 mm² Multicore 24 AWG 4.2mm Aluminium Foil-PET Tape LSZH Grey - 7/0.254 mm Screened - - 100m
RS Stock No. 187-1953
Mfr. Part No.2241C SL001
BrandAlpha Wire
TWD46.10
Each
units
1 0.81 mm² Twisted Pair 18 AWG 5.99mm Aluminium/Mylar Tape PVC Black, Grey 42 Ω 16/30 AWG - 300 V ac - -
RS Stock No. 187-1954
Mfr. Part No.2241C SL002
BrandAlpha Wire
TWD7,446.00
1 Reel of 152 Metre(s)
Reel(s)
1 0.81 mm² Twisted Pair 18 AWG 5.99mm Aluminium/Mylar Tape PVC Black, Grey 42 Ω 16/30 AWG - 300 V ac - -
RS Stock No. 187-1873
Mfr. Part No.1131C SL001
BrandAlpha Wire
TWD48.80
Each
units
1 0.81 mm² Twisted Pair 18 AWG 5.97mm - PVC Grey 69 Ω 16/30 AWG - 300 V ac - -
RS Stock No. 807-9026
Mfr. Part No.0031321
BrandLapp
TWD3,651.00
1 Reel of 50 Metre(s)
Reel(s)
3 0.22 mm² Li2YCY 24 AWG 7.1mm S/UTP PVC Grey 100 Ω - Screened 250 V Flame Retardant -
RS Stock No. 812-4757
BrandRS PRO
TWD1,716.00
1 Reel of 100 Metre(s)
Reel(s)
2 0.22 mm² Multicore 24 AWG 5.5mm Tinned Copper LSZH Grey 100 Ω 7/0.2 mm Screened - - 100m
RS Stock No. 812-4674
BrandRS PRO
TWD7,034.00
1 Reel of 500 Metre(s)
Reel(s)
1 0.9 mm² Multicore 20 AWG 5.1mm Unshielded PVC Grey - 10/0.254 mm Unscreened - - 500m
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. 811-7415
BrandRS PRO
TWD3,158.00
1 Reel of 100 Metre(s)
Reel(s)
2 - Twisted Pair 24 AWG 5.6mm Aluminium Foil-PET Tape LSZH Grey 75 Ω 7/0.6 mm Screened 300 V - 100m
RS Stock No. 122-3059
BrandRS PRO
TWD16,184.00
1 Reel of 500 Metre(s)
Reel(s)
1 0.78 mm² Multicore 18 AWG 5.65mm Aluminium Foil-PET Tape PVC Grey 85 Ω 16/0.25 mm Screened 300 V - 500m
RS Stock No. 136-8494
Mfr. Part No.78163 SL001
BrandAlpha Wire
TWD8,272,408.00
1 Reel of 305 Metre(s)
Reel(s)
3 0.15 mm² Twisted Pair 26 AWG 4.01mm Foil MPPE Grey 81 Ω 19/38 Screened 300 V Halogen Free 305m
RS Stock No. 111-9240
Mfr. Part No.6012C SL005
BrandAlpha Wire
TWD7,303.00
1 Reel of 30 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 30m
RS Stock No. 122-3051
BrandRS PRO
TWD3,785.00
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. 187-1915
Mfr. Part No.1318C SL001
BrandAlpha Wire
TWD55.70
Each
units
3 0.35 mm² Twisted Pair 22 AWG 6.55mm - PVC Grey 66 Ω 7/30 AWG - 300 V ac - -
RS Stock No. 811-7386
BrandRS PRO
TWD2,112.00
1 Reel of 100 Metre(s)
Reel(s)
3 0.22 mm² Twisted Pair 24 AWG 5.9mm Foil PVC Grey 75 Ω 7/0.6 mm Screened 300 V - 100m
RS Stock No. 179-4812
Mfr. Part No.B963091 GE033
BrandAlpha Wire
TWD1,023,658.00
1 Reel of 100 Metre(s)
Reel(s)
9 0.23 mm² - 24 AWG 8.41mm Unshielded PVC Grey - 7/0.20 mm - 300 V - 100m
RS Stock No. 175-7356
Mfr. Part No.B963031 GE033
BrandAlpha Wire
TWD5,157.00
1 Reel of 100 Metre(s)
Reel(s)
3 0.23 mm² Twisted Pair 24 AWG 5.66mm Unshielded PVC Grey 86 Ω 7/32 Unscreened 300 V Flame Retardant 100m
RS Stock No. 812-4693
BrandRS PRO
TWD12,538.00
1 Reel of 500 Metre(s)
Reel(s)
2 0.6 mm² Multicore 22 AWG 5.5mm Aluminium Foil-PET Tape PVC Grey - 7/0.2 mm Screened - - 500m
RS Stock No. 811-7418
BrandRS PRO
TWD4,136.00
1 Reel of 100 Metre(s)
Reel(s)
3 - Twisted Pair 24 AWG 5.9mm Foil LSZH Grey 75 Ω 7/0.6 mm Screened 300 V - 100m
RS Stock No. 608-4082
Mfr. Part No.0035800
BrandLapp
TWD4,786.00
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