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. 126-5191
Mfr. Part No.5473C SL001
BrandAlpha Wire
HK$2,705.76
1 Reel of 304 Metre(s)
Reel(s)
3 0.23 mm² Twisted Pair 24 AWG 5.69mm F/UTP PVC Grey 76 Ω 7/0.2 mm Screened 300 V Flame Retardant 304m
RS Stock No. 111-8966
Mfr. Part No.5473C SL005
BrandAlpha Wire
HK$283.77
1 Reel of 30 Metre(s)
Reel(s)
3 0.23 mm² Twisted Pair 24 AWG 5.69mm F/UTP PVC Grey 76 Ω 7/0.2 mm Screened 300 V Flame Retardant 30m
RS Stock No. 740-4932
Mfr. Part No.B963024 GE321
BrandAlpha Wire
HK$1,907.11
1 Reel of 50 Metre(s)
Reel(s)
2 0.23 mm² Twisted Pair 24 AWG 6.07mm Foil and Braid PVC Grey 64 Ω 7/32 Screened 300 V Flame Retardant 50m
RS Stock No. 175-7355
Mfr. Part No.B963024 GE033
BrandAlpha Wire
HK$1,071.45
1 Reel of 100 Metre(s)
Reel(s)
2 0.23 mm² Twisted Pair 24 AWG 6.07mm Foil and Braid PVC Grey 64 Ω 7/32 Screened 300 V Flame Retardant 100m
RS Stock No. 111-9234
Mfr. Part No.6010C SL005
BrandAlpha Wire
HK$720.69
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. 408-833
Mfr. Part No.86702CY SL005
BrandAlpha Wire
HK$1,872.21
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. 832-5174
Mfr. Part No.78373
BrandAlpha Wire
HK$2,649.01
1 Reel of 30 Metre(s)
Reel(s)
3 0.241 mm² Twisted Pair 24 AWG 5.16mm Foil and Braid MPPE Grey 75 Ω 19/0.127 mm Screened 300 V Halogen Free 30m
RS Stock No. 168-3066
Mfr. Part No.6010C SL001
BrandAlpha Wire
HK$4,391.79
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. 409-331
Mfr. Part No.5276C SL005
BrandAlpha Wire
HK$2,383.60
1 Reel of 30 Metre(s)
Reel(s)
6 0.23 mm² Twisted Pair 24 AWG 7.98mm SF/UTP PVC Grey 82 Ω 7/0.2 mm Screened 300 V Fire Resistant 30m
RS Stock No. 393-826
Mfr. Part No.6010C SL033
BrandAlpha Wire
HK$2,635.23
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. 740-4926
Mfr. Part No.B962034 GE321
BrandAlpha Wire
HK$1,166.14
1 Reel of 50 Metre(s)
Reel(s)
3 0.14 mm² Twisted Pair 26 AWG 5.92mm Foil and Braid PVC Grey 83 Ω 7/34 Screened 300 V Flame Retardant 50m
RS Stock No. 111-9004
Mfr. Part No.5479C SL005
BrandAlpha Wire
HK$987.30
1 Reel of 30 Metre(s)
Reel(s)
9 0.23 mm² Twisted Pair 24 AWG 8.71mm F/UTP PVC Grey 82 Ω 7/0.2 mm Screened 300 V Flame Retardant 30m
RS Stock No. 111-8944
Mfr. Part No.5471C SL005
BrandAlpha Wire
HK$363.02
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. 749-1633
Mfr. Part No.6454 BK001
BrandAlpha Wire
HK$6,663.70
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. 111-8950
Mfr. Part No.5472C SL005
BrandAlpha Wire
HK$439.42
1 Reel of 30 Metre(s)
Reel(s)
2 0.23 mm² Twisted Pair 24 AWG 5.38mm F/UTP PVC Grey 64 Ω 7/0.2 mm Screened 300 V Flame Retardant 30m
RS Stock No. 111-9256
Mfr. Part No.6014C SL005
BrandAlpha Wire
HK$2,853.79
1 Reel of 30 Metre(s)
Reel(s)
9 0.35 mm² Twisted Pair 22 AWG 11.07mm F/UTP PVC Grey 60 Ω 7/0.25 mm Screened 300 V Flame Retardant 30m
RS Stock No. 787-9761
Mfr. Part No.77039 SL005
BrandAlpha Wire
HK$5,231.46
1 Reel of 31 Metre(s)
Reel(s)
- - Multicore 14 AWG 7.26mm Unshielded MPPE Grey - 41/30 Unscreened 600 V ac - 30m
RS Stock No. 673-3286
Mfr. Part No.6017L SL005
BrandAlpha Wire
HK$2,242.16
1 Reel of 30 Metre(s)
Reel(s)
12 0.35 mm² Twisted Pair 22 AWG 12.5mm U/STP LSZH Grey 46 Ω 7/0.25 mm Screened 300 V Fire Resistant 30m
RS Stock No. 740-4872
Mfr. Part No.B963023 GE321
BrandAlpha Wire
HK$1,350.22
1 Reel of 50 Metre(s)
Reel(s)
2 0.23 mm² Twisted Pair 24 AWG 5.92mm Braid PVC Grey 64 Ω 7/32 Screened 300 V Flame Retardant 50m
RS Stock No. 111-9127
Mfr. Part No.6076C SL005
BrandAlpha Wire
HK$19,054.78
1 Reel of 304 Metre(s)
Reel(s)
6 0.23 mm² Twisted Pair 24 AWG 12.27mm U/STP PVC Grey 115 Ω 7/0.2 mm Screened 300 V Flame Retardant 304m