sales@zmscable.com

News

What does the color above the cable mean?
What does the color above the cable mean?
Everyone knows that several wires in the cable have different colors. What are these colors used for? Let me introduce you to what the color above the cable means.Cable skin color cable wire sheath color specification.National standard: yellow, green, red, blue, respectively, representing A.B.C.NWhen the circuit is marked by the color of the wireBlack...
2 days ago
Electrical Cable Testing Equipment
Electrical Cable Testing Equipment
To provide customers with reliable and high quality wire and cables, ZMS is available in strict quality test in all processes of product production.Raw material testingTesters of our quality testing department will conduct strict inspection on the purchased aluminum rods and aluminum clad steel, and after their being tested qualified, issuing qualit...
1 month ago
Fighting against the virus together, we are in action.
Fighting against the virus together, we are in action.
With the global spread of the new crown virus, the most important thing is prevention and control in this increasingly severe situation. We hope you and your family could be safe in this situation. As an international trading company, we have adopted various methods to respond to the epidemic. ZMS has made practical contributions to the fight...
6 months ago
Cause of high voltage cable failure
Cause of high voltage cable failure
(1) Causes of cable body manufacturingGenerally, the problems that are easy to occur in the cable production process are insulation eccentricity, uneven thickness of the insulation shield, impurities in the insulation, protrusions in the inner and outer shields, uneven cross-linking degree, dampness of the cable, poor sealing of the metal sheath of t...
1 year ago
US power industry continues to slump
US power industry continues to slump
China Energy News - China Energy Network | Recently, the power companies in the US public utilities sector have successively announced the 2018 annual report. Although the industry financial report data has not changed significantly, and the indicators have remained basically stable, but the executives of the US power companies They are not satisfied w...
1 year ago
Ultra high voltage single core cable selection and application
Ultra high voltage single core cable selection and application
The sheath protector is generally installed in the cable line cross-connect box and in the grounding protection box.1, the role of the protective layer protector1) Limit the power frequency induced voltage in the metal sheath of the cable line——When the cable line is in normal working condition, the high voltage cable sheath protector exhibits a high r...
1 year ago
The difference between DC cable and AC cable in power cable
The difference between DC cable and AC cable in power cable
The DC cable has the following characteristics compared with the AC cable.1. The system used is different. The DC cable is used in the rectified DC transmission system, and the AC cable is often used in the power frequency (domestic 50 Hz) power system.2. Compared with the AC cable, the power loss during the transmission of the DC cable is small. The power loss...
1 year ago
Aluminum alloy core aluminum stranded wire overall performance improvement skills
Aluminum alloy core aluminum stranded wire overall performance improvement skills
The rated breaking force of the wire is calculated from the strength of all aluminum single wires and reinforcements. However, the actual breaking force will be deviated from the actual calculated value. The main reason is that the strength of each single wire is not fully utilized. Therefore, when designing the product, not only must meet the minimum stre...
1 year ago
Main factors that heat the wires and cables during operation
Main factors that heat the wires and cables during operation
With the development of electricity, there are more and more aspects of relying on electricity in life, and the importance of wire and cable is also highlighted. We know that wire and cable are used for power transmission. If the wire and cable continue to heat up during operation, the temperature of the wire and cable will be too high. If it is short, it will cau...
1 year ago
How to lay power cable lines
How to lay power cable lines
(1) Directly buried in the ground, this is the most common and economical method of laying.(2) Laying in the cable trench for laying multiple cables.Although the cable ditch was larger than the direct burial at the time, it was convenient for temperature monitoring and ventilation and cooling measures to improve its heat dissipation conditions. In addit...
1 year ago
INQUIRY