The 15 most common problems of cable materials!

The power cable industry is a large pillar industry in China. The production process needs high production standards, and maintains the safe operation of the whole industrial system. Therefore, the majority of power cable manufacturers need to conduct a very strict audit and purchase of cable production materials. The following will introduce the problems of … Read more

How to select cable label

AAAC Cable label is an identification mark used in field installation and after maintenance. The purpose of cable identification is Ensure the organization and correctness of installation And the convenience of maintenance and inspection later. This paper is to share the purpose, characteristics and how to choose cable label for you. Application and characteristics of … Read more

On the specifications and standards of wires and cables

01 Plastic insulated conductor 1. Purpose: This product is suitable for fixed laying of power plant with AC rated voltage of 450 / 750V and below. 2. Product standard: GB 5023-95 AAC Cables (wires) for fixed laying of PVC insulated cables (wires) with rated voltage of 450 / 750V and below 3. Features: 1) rated … Read more

Radiation crosslinked cables and materials

1. development of crosslinking technology In 1952, Charles by invented crosslinked polyethylene insulation by using radiation energy to trade polyethylene into polyethylene in a nuclear reactor test; In 1957, Ge first made cross-linked ACSR Cable in cable industry by using peroxide (DCP) as chemical crosslinking reagent on the basis of the above principles; In the … Read more

What should be paid attention to when storing wire and cable reel?

Attention should be paid to the following points when storing and transporting wires and AAAC Cables on shelves: 1、 In storage, first of all, it is forbidden to contact with acidic, alkaline and corrosive substances and store them separately. Insulated wires and cables should be stored in a dry and ventilated warehouse. The suitable temperature … Read more

Common causes of appearance defects of rubber sheathed cable

For more information on cables, click Joy ’cable Blog In the production process of rubber sheathed cable, appearance defects often appear, such as the surface is not smooth; There are clinker particles (early vulcanized rubber particles) or impurities on the surface; Scratch and scratch on the surface of wires and AAC Cables; There is collapse … Read more

Seemingly the same national standard cable, the difference is not just the price!

Often hear AAC Cable practitioners complain: it is too difficult to sell national standard. You say you are national standard, and those who sell non-standard also say that he is national standard. As a result, the price is more than 10% cheaper than yours, so it is helpless. Here, we will review and summarize the … Read more

Cable fault detection and search method, you should understand

For direct short circuit or broken cable fault, the multimeter can be used to measure and judge directly; For non direct short circuit cable fault and grounding AAC Cable fault, the insulation resistance between cores or insulation resistance between cores to ground can be measured by megohmmeter, and the type of cable fault can be … Read more

Seven reasons why transformers burn out

(1) Being struck by lightning. Most of the high and low voltage lines of power transformers are introduced by overhead cables. Because they are located in mountainous forests, the probability of lightning strikes is high. Therefore, during the thunderstorm season each year, the proportion of distribution transformers damaged by lightning strikes accounts for more than … Read more

What is the difference between copper conductor and copper alloy cable?

Copper bar is the main raw material of AAC Cable industry. There are two main production methods: continuous casting, continuous rolling and continuous casting. Due to different processes, the oxygen content and appearance of copper rods are also different. When the oxygen content is lower than 10ppm, it is called oxygen free copper rod; When … Read more