There is a single core and multi-core in the wire and cable, there will be not understand the user has a question, 3+2 core and 4+1 core, look at are 5 core, that there is no difference between these two in the end?Below small make up to in...

Answer: Common electrical accessories are cable terminal junction boxes, cable intermediate junction boxes, connecting pipes and terminals, steel plate junctions, cable trays, etc....

AWG (American Wire Gauge) to mm2(Millimeters squared) Conversion, Diameter,resistance AWG(American Wire Gauge) is short for American Wire Gauge. AWG value is a function of Wire thickness in inches. The following table compares AWG with metr...

In the operation of a power system, the current between phases to phases，between phases and ground (or neutral lines) when an abnormal connection (short circuit) occurs. ...

1. Characteristics of overhead Lines The main components such as conductor lightning conductor, pole (pole tower), insulator string and fittings, and the significant advantages of overhead line: simple line structure, short construction per...

3 Several key questions 3.1 Disk and reserved length Because each time the optical fiber signal passes through a connector, a certain attenuation is generated. ...

Overhead ground wire composite optical cable (Composite Fiber Optic Overhead Ground Wire, OPGW) is a composite fiber media in the overhead ground wire of the transmission line, and the ground wire and communication functions are combined in...

The Southeast Asia-Middle East-Western Europe 6 (SeaMeWe-6) consortium announced on February 21 2022....

Wires and cables are widely used in various sectors of the national economy and are the basic guarantee for the normal operation of the modern economy and society....

We know that the marine environment is very complex, and it is very difficult to lay submarine cables across the ocean. How are submarine cables and submarine optical cables that play an important role in the world's communications?...