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Lighting Circuits: Primarily used for wiring lighting points in domestic, commercial, and industrial buildings. The 1.5mm² size is standard for this purpose.
Power Socket Circuits (Ring & Radial): The 2.5mm² size is commonly used for wiring 13A power socket outlets in both ring final circuits and radial circuits.
Fixed Appliance Connections: Used to supply power to various fixed appliances such as immersion heaters, boilers, and cookers (depending on current requirements).
FEATURES
Rated voltage: 300/500V, fully applicable to low-voltage power distribution systems in both household and commercial environments.
Long-term working temperature: Maximum +70°C
Flame retardancy: Standard PVC has self-extinguishing properties, meaning it will not continue to burn after being removed from a flame, which helps prevent the fire from spreading through the cable.
PARAMETERS
Nominal section(mm²)
Number of conductors
Toplimit of overall diameter(mm)
Maximum DC resistance(20℃)(Ω/km)
Minimum insulation resistance(70℃)(MΩ.km)
Recommended value of carrying capacity(A)
Reference weight(kg/kmm)
2x0.75
1
4.6x7.1
24.5
0.012
13
42
2x1.0
1
4.8x7.4
18.1
0.011
16
49
2x1.5
1
5.3x8.5
12.1
0.011
20
65
2x2.5
1
6.2x10.1
7.41
0.010
27
97
2x4
1
6.7x11.1
4.61
0.0085
38
140
2x6
1
7.5x12.5
3.08
0.0070
50
192
2x10
2
9.5x16.2
1.83
0.0065
69
306
3x0.75
1
4.6x9.6
24.5
0.012
9.5
60
3x1.0
1
4.8x10.1
18.1
0.011
11
70
3x1.5
1
5.3x11.7
12.1
0.011
13
95
3x2.5
1
6.2x14.0
7.41
0.010
21
142
3x4
1
7.0x15.8
4.61
0.0085
27
213
3x6
1
7.5x17.5
3.08
0.0070
34
284
3x10
2
9.5x23.0
1.83
0.0065
55
457
FACTORY
PROJECT
PACKAGE
FAQ
Q: What is the primary use of Twin & Earth cable?
A: Its primary use is for fixed wiring in domestic and commercial buildings. It is not suitable for portable appliances, extensions, or outdoor use without additional protection.
Q: Can I use 1.5mm² and 2.5mm² cable for the same applications?
A: No. They are designed for different circuits:
• 1.5mm²: Typically used for lighting circuits.
• 2.5mm²: Standard for socket outlets (ring/radial circuits) and fixed appliances like immersion heaters.
Q: What is the maximum temperature this cable can withstand?
A: It has two key temperature ratings:
• Continuous Operating Temp: Up to +70°C.
• Short-Circuit Temp (max. 5s): Up to +160°C.
Q: Is Twin & Earth cable suitable for outdoor installation?
A: No. The standard grey PVC sheath is not UV resistant and can degrade outdoors. It is designed for dry internal locations. For outdoors, it must be protected within a suitable conduit or a special exterior-grade cable should be used.
Q: Why is there a bare copper wire inside the cable?
A: The bare wire is the Circuit Protective Conductor (Earth wire). It provides a vital safety path for fault current to flow, causing the circuit breaker to trip. It must always be connected to the earth terminal in accessories and consumer units.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
150000000-200000000
Employee Number:
300~400
Ecer Certification：
Verified Supplier
Founded in 2006, Zhongdong Cable is a professional cable manufacturer with a production base covering 67,000 square meters. Equipped with 30 production lines, 30 testi...
Founded in 2006, Zhongdong Cable is a professional cable manufacturer with a production base covering 67,000 square meters. Equipped with 30 production lines, 30 testi...
