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"No rules are not a square", there is no standard and no standard industry. It is understood that China's national standards are divided into mandatory national standard (GB) and recommended national standard (GB/T). The number of the national standard consists of the code of the national standard, the serial number issued by the national standard, and the year number (release year) issued by the national standard.
The so-called mandatory national standard, that is, the standards for safeguarding human health, personal and property safety, and the national standards imposed by laws and administrative regulations; the recommended national standard refers to production, inspection, use, etc., through economic means or market regulation. National standards that are voluntarily adopted. However, once the recommended national standard is accepted and adopted, or the parties agree to agree to be included in the economic contract, it becomes a technical basis that all parties must abide by and is legally binding.
Today, Xiao Bian has collected the "national standard" related to the lighting industry that has been released and will be implemented in recent years, and has compiled the following forms for your reference.
Editor: CQJ
A network wire cable, usually made of metal which can be used to transmit information over a network. There are three types of network cables in common use: twisted pair, coaxial cable, and fiber optic cable (fiber).
Twisted pair network cable is a data transmission wire consisting of many pairs of wires. Its point is that it is cheap, so it is widely used. Twisted-pair wires are used to connect the RJ45 connectors. There are two types, STP and UTP, and UTP is commonly used.
Now, the network cable include cat8 network cable, cat7 network cable, cat6a network cable, cat6 network cable, cat5e network cable.
CAT7/8Network Cable ,Straight Through Cabling,Ethernet Patch Cable,Network Cable Wiring
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