No (low) halogen flame retardant cable suitable for systems with fire safety requirements laid

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Product Description:

No (low) halogen flame retardant cable suitable for systems with fire safety requirements laid

 

Product special properties:


1.A finished cable burning test results meet the requirements of GB 12666.5 not less than the Class B requirements.


2, LSZH cable burn the finished corrosion test, measurement and control combustion gases through indirect aqueous PH and conductivity to determine the results PH value should not be less than 4.3, the conductivity should not exceed 10us/min.


3, low smoke low halogen cables should be measured and HCL HCL emission emission should not exceed 100mg / g.


4, cable burning smoke density test, the test results should not be less than its minimum transmittance of 60%.

 

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No (low) halogen flame retardant cable suitable for systems with fire safety requirements laid

No (low) halogen flame retardant cable suitable for systems with fire safety requirements laid

 

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Q:W22 in the cable on behalf of what
Not W, is VVVV22 means the meaning of plastic insulated plastic sheath with armored copper cable. Wire and cable: wire and cable is the transmission of electrical energy, electrical signals and electromagnetic energy conversion to the wire products. Cables are usually made up of cable cores that transmit electrical or electrical signals and protective, insulated sheaths. A cable with only one cable core and a smaller diameter is often referred to as a wire. Also some wires do not have insulated sheaths, called bare wires. The cable in the cable is made of a metal material with good electrical conductivity, usually copper (good electrical conductivity) or aluminum (lower cost).
Q:Emergency cable T-box and cable distribution box of the information?
1 Ordinary distribution box There is no switch device in the general distribution box
Q:What is the difference between a pre-branch cable and a punched clip?
1 Latex reclaimed rubber, the use of Malaysia imported rubber tree waste plastic cups, plastic yarn and latex products factory condensed waste as raw materials, with Ji Dai flooding fried ghosts kill Handan fine fineness, easy color, , Feel good elasticity, high elongation at break, no need to plastic and so on
Q:Ask you a question: how the computer CD-ROM power supply 5V and 12V two lines? Another audio and video cable which group?
My computer --- right-click properties. Device Manager. Look at the USB device is not there or the number. Have to reinstall the system. Also make sure your motherboard USB interface is not good. I said the interface is plug USE jumper of the root.
Q:What is the interface between the power interface and the hard disk?
YCV-copper core XLPE insulated PVC sheathed power cable, VV-copper core PVC insulated PVC sheathed power cable. YJV-voltage level (kV) 6 ~ . the maximum allowable working temperature 90 ℃ VV-voltage level (kV) 1 ~ . allowing the maximum operating temperature of 65 ~ 70 ℃
Q:What is the cable for the YJV33 cable?
DDF (digitalDistributionFrame) digital patch panel DDF digital patch panel digital patch panel, also known as high-frequency patch panels, digital communications in the increasingly superior, it can make the digital communications equipment, digital data stream connection as a whole , From the rate of 2Mb / s ~ 155Mb / s signal input and output can be terminated in the DDF rack, which wiring, transfer line, transfer, expansion have brought great flexibility and convenience of double deoxidation (DideoxyFingerprints, ddF) 2
Q:What is the difference between a trough bridge and a tray tray?
Many, with the cable where the requirements should be used bridge.
Q:1omoons / days sensitive quad-core network set-top boxes can be used on old-fashioned televisions.
Pipe protection cable to wear metal hose, metal hose and galvanized pipe to use metal lock connection, the connection can not pull the light pull on the line. If there is no metal hose or no metal lock, in the pipe when the pipe toward the cable to the appropriate bending, preferably in the mouth of the cushion cable skin, and then use the electrical adhesive tape sticky, sticky. After the nozzle cut with a polisher smooth grinding, the provincial scratch cable.
Q:Wire and cable manufacturing process (to be detailed)?
Hello, copper wire per square safe current-carrying 6A, .05X6A = 3A.X220V = 660W, 3AX380V = 1140W, aluminum core for the same 4A algorithm,
Q:Copper core power cable laying cable sets what fixed
SDH is a synchronous time division multiplexing device, the electrical interface of the 2M signal into the optical interface of the high-speed signal (the use of digital fiber optic patch panel SDHsynchronousdigitalhierarchy) 155M, 622M, 2.G, 10G, etc.). 2 trillion of the signal can be in the DDF above jumper, easy to connect. The optical path signal is spanned on the ODF and is interconnected with the optical interface of the cable or other device. Usually with the network, telephone, etc. are specific business, their communication distance is limited, are generally carried through the transmission network to expand the communication capacity, extending the communication distance. SDH is the main equipment of the current transmission network. DDF and ODF are mainly used in the machine room. The physical interface between devices is BTS-DDF-SDH-DDF-BSC-ODF-MSC or BTS-DDF-SDH-ODF-BSC -ODF-MSC Of course, bsc and msc may also have a section of ODF-SDH-ODF, see the specific circumstances

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