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. 382-7381
Mfr. Part No.9842NH.00305
BrandBelden
HK$15,941.98
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. 382-7230
Mfr. Part No.8762NH.00305
BrandBelden
HK$4,658.14
1 Reel of 304 Metre(s)
Reel(s)
1 0.5 mm² Twisted Pair 20 AWG 5.6mm F/UTP LSZH Chrome - 7/28 Screened 300 V Flame Retardant, Low Smoke Zero Halogen (LSZH) 304m
RS Stock No. 811-7377
BrandRS PRO
HK$596.14
1 Reel of 100 Metre(s)
Reel(s)
2 - Twisted Pair 24 AWG 5.6mm Aluminium Foil-PET Tape PVC Grey 75 Ω 7/0.6 mm Screened 300 V - 100m
RS Stock No. 362-566
Mfr. Part No.44A1121-24-2/6-9
HK$3,780.18
1 Reel of 100 Metre(s)
Reel(s)
1 0.25 mm² Type 44 24 AWG 3.05mm S/UTP - White - 19/0.13 mm Screened 600 V Flame Retardant, Low Smoke Density, Self-extinguishing 100m
RS Stock No. 382-582
Mfr. Part No.9504.00U152
BrandBelden
HK$2,490.49
1 Box of 152 Metre(s)
Box(es)
4 0.2 mm² Twisted Pair 24 AWG 6.73mm SF/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 152m
RS Stock No. 393-826
Mfr. Part No.6010C SL033
BrandAlpha Wire
HK$2,924.15
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. 802-323
Mfr. Part No.9502.00U305
BrandBelden
HK$3,347.17
1 Box of 304 Metre(s)
Box(es)
2 0.2 mm² Twisted Pair 24 AWG 5.64mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 304m
RS Stock No. 382-598
Mfr. Part No.9506.01152
BrandBelden
HK$3,818.64
1 Box of 152 Metre(s)
Box(es)
6 0.2 mm² Twisted Pair 24 AWG 7.34mm SF/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 152m
RS Stock No. 749-1589
Mfr. Part No.6462 VI005
BrandAlpha Wire
HK$1,155.01
1 Reel of 30 Metre(s)
Reel(s)
- 0.32 mm² - 22 AWG 8mm - - Purple - 1/0.32 mm Screened 300 V - 30m
RS Stock No. 409-331
Mfr. Part No.5276C SL005
BrandAlpha Wire
HK$1,958.86
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. 749-1598
Mfr. Part No.6462 VI001
BrandAlpha Wire
HK$9,393.50
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. 382-7319
Mfr. Part No.9503NH.00305
BrandBelden
HK$4,409.09
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. 331-8966
Mfr. Part No.8164.00152
BrandBelden
HK$13,148.11
1 Reel of 152 Metre(s)
Reel(s)
4 0.23 mm² Twisted Pair 24 AWG 9.86mm SF/FTP PVC Chrome 100 Ω 7/32 Screened 300 V - 152m
RS Stock No. 168-3066
Mfr. Part No.6010C SL001
BrandAlpha Wire
HK$6,619.60
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. 331-8972
Mfr. Part No.8163.01152
BrandBelden
HK$10,367.27
1 Reel of 152 Metre(s)
Reel(s)
3 0.2 mm² Twisted Pair 24 AWG 9.12mm SF/FTP PVC Chrome 100 Ω 7/32 Screened 300 V - 152m
RS Stock No. 807-9180
Mfr. Part No.0038404
BrandLapp
HK$1,416.16
1 Reel of 50 Metre(s)
Reel(s)
4 0.25 mm² LiHCH 24 AWG 7.8mm S/UTP - Grey - - Screened 250 V Flame Retardant -
RS Stock No. 382-7303
Mfr. Part No.9502NH.00305
BrandBelden
HK$3,554.18
1 Box of 304 Metre(s)
Box(es)
2 0.2 mm² Twisted Pair 24 AWG 5.9mm F/UTP LSZH Chrome - 7/32 Screened 300 V Flame Retardant 304m
RS Stock No. 832-5174
Mfr. Part No.78373
BrandAlpha Wire
HK$2,609.46
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. 802-373
Mfr. Part No.9729.003
BrandBelden
HK$1,371.31
1 Reel of 30 Metre(s)
Reel(s)
2 0.22 mm² Twisted Pair 24 AWG 6.76mm U/STP PVC Chrome 100 Ω 7/32 Screened 300 V - 30m
RS Stock No. 408-833
Mfr. Part No.86702CY SL005
BrandAlpha Wire
HK$2,455.00
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
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