Precautions for choosing household powercable

In home decoration, water and electricity decoration is the most important, especially the electrical part, because it involves the safety of electricity use. If there is a problem with the electrical decoration, it may directly affect the safety of the family and the consequences are quite serious. Therefore, whether it is the wiring, connection, or … Read more

Ingenious use of AAAC Conductors for photovoltaic systems(1)

In the era of low-cost Internet access, the cost of the control system is critical. In the past ten years, the prices of modules and inverters have fallen by 90%, which has contributed greatly to the overall cost reduction of photovoltaic systems, but the cost of cables has not been reduced. In large-scale projects, cables … Read more

The difference between power cable and control cable

Everyone knows that power cables and control cables are all about providing cable transmission equipment. As we all know, power cables are used in urban power grids or power stations, while control cables are suitable for industrial and mining enterprises, energy and transportation departments. In addition to their different scope of application, what other aspects … Read more

cable common sense question

1. What are the requirements for fire blocking of cable holes? Answer: For larger cable penetration holes, such as the cable penetration floor, when using fireproof blocking materials to block, according to the actual situation, first apply four to six layers of fireproof paint on the cable surface, the length is about 1.5m below the … Read more

How to choose the anti-theft alarm cable

The alarm system based on the professional bus form is currently the most widely used, and the aerial bundled cable SANS 1418  is also the most complicated, so I will focus on the discussion here. RVV2*0.3 (signal cable) and RVV4*0.3 (2-core signal + 2-core power supply) cables are generally used between the front-end detector and the alarm … Read more

Structure composition of cable products

b230 standardThe structural elements of wire and cable products can generally be divided into four main structural components: wire, insulation layer, shielding and protective layer, as well as filling elements and tensile elements. According to the requirements and applications of the product, some products have a very simple structure, with only one structure of wires, such as … Read more

The first 525 kV DC cable pre-qualification test is officially launched

On February 26, the first domestic pre-qualification test of 525 kV DC cables was officially launched. The test mainly detects the long-term performance of domestic 525 kV DC cables, and provides important technical support for Chinese cable companies to take the initiative in international competition. It is understood that the Dutch government plans to develop … Read more

Significant progress has been made in optical fiber cable signal transmission distance

Optical fibre cable  is a communication cable consisting of two or more glass or plastic optical fiber cores located in a protective coating and covered by a plastic PVC outer sleeve. The signal transmission along the internal optical fiber generally uses infrared rays. In January 2013, Cuba carried out communications reforms, opening fiber optic cables … Read more