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庫存編號 382-7224
製造零件編號8761NH.00305
BrandBelden
HK$3,560.23
毎卷:304 米
Reel(s)
1 0.35 mm² Twisted Pair 22 AWG 4.9mm F/UTP LSZH Chrome - 7/30 Screened 300 V Flame Retardant, Low Smoke Zero Halogen (LSZH) 304m
RS庫存編號 382-7022
製造零件編號3107A.00305
BrandBelden
HK$11,470.46
毎卷:304 米
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庫存編號 807-9060
製造零件編號0031334
BrandLapp
HK$3,440.81
毎卷:50 米
Reel(s)
10 0.5 mm² Li2YCY 20 AWG 14.8mm S/UTP PVC Grey 100 Ω - Screened 250 V Flame Retardant -
RS庫存編號 382-7000
製造零件編號3105A.00152
BrandBelden
HK$4,890.36
毎卷:152 米
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庫存編號 382-7218
製造零件編號8760NH.00305
BrandBelden
HK$3,026.57
毎卷:304 米
Reel(s)
1 0.8 mm² Twisted Pair 18 AWG 6mm F/UTP LSZH Chrome - 16/30 Screened 300 V Flame Retardant, Halogen Free 304m
RS庫存編號 331-9127
製造零件編號8102.01152
BrandBelden
HK$3,574.84
毎卷:152 米
Reel(s)
2 0.2 mm² Twisted Pair 24 AWG 6.86mm SF/UTP PVC Chrome 100 Ω 7/32 Screened 30 V - 152m
RS庫存編號 382-7202
製造零件編號8723NH.00305
BrandBelden
HK$3,469.93
毎卷:304 米
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庫存編號 822-995
製造零件編號8723.00305
BrandBelden
HK$3,986.40
毎卷:304 米
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庫存編號 822-989
製造零件編號8723.003
BrandBelden
HK$418.74
毎卷:30 米
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庫存編號 823-005
製造零件編號8723.01152
BrandBelden
HK$2,146.88
毎卷:152 米
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庫存編號 382-7246
製造零件編號8777NH.00305
BrandBelden
HK$6,425.00
毎卷:304 米
Reel(s)
3 0.33 mm² Twisted Pair 22 AWG 7mm U/STP LSZH Chrome - 7/30 Screened 300 V - 304m
RS庫存編號 812-4766
BrandRS PRO
HK$1,641.14
毎卷:100 米
Reel(s)
3 0.76 mm² Multicore 22 AWG 6.9mm Aluminium Foil-PET Tape LSZH Grey - 7/0.254 mm Screened - - 100m
RS庫存編號 802-339
製造零件編號9503.00U305
BrandBelden
HK$3,526.97
1 盒 304 米
Box(es)
3 0.2 mm² Twisted Pair 24 AWG 5.89mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 304m
RS庫存編號 382-7195
製造零件編號8471NH.00305
BrandBelden
HK$4,313.34
毎卷:304 米
Reel(s)
1 1.33 mm² Twisted Pair 16 AWG 7.15mm - LSZH Chrome - 19/29 Screened 300 V Flame Retardant, Low Smoke Zero Halogen (LSZH) 304m
RS庫存編號 126-5191
製造零件編號5473C SL001
BrandAlpha Wire
HK$2,705.76
毎卷:304 米
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庫存編號 111-8966
製造零件編號5473C SL005
BrandAlpha Wire
HK$283.77
毎卷:30 米
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庫存編號 382-829
製造零件編號9504.00U305
BrandBelden
HK$4,797.70
1 盒 304 米
Box(es)
4 0.2 mm² Twisted Pair 24 AWG 6.73mm F/UTP PVC Chrome 75 Ω 7/32 Screened 300 V Flame Retardant 304m
RS庫存編號 175-7355
製造零件編號B963024 GE033
BrandAlpha Wire
HK$1,071.45
毎卷:100 米
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庫存編號 382-582
製造零件編號9504.00U152
BrandBelden
HK$1,976.43
1 盒 152 米
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庫存編號 362-566
製造零件編號44A1121-24-2/6-9
HK$3,780.18
毎卷:100 米
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