Q:What are the varieties of wire and cable (detailed point)

The meaning of the letter: W refers to the halogen-free, D refers to the low smoke, Z refers to the flame retardant WDZ is halogen-free low smoke flame retardant jacket power cable. WDZC refers to halogen-free low smoke C-class flame retardant

Q:Apple phone display cable or accessories not certified how to do

and then the audio cable and video cable [audio line (red and white), the first time the signal line (white) Video line (yellow)】 corresponding to the color connection set-top box with TV

Q:What machinery is required to make wire and cable?

Pouring concrete when you can line? Do you clear the problem?

Q:IPhone mobile phone data cable can not charge the power, the above shows the cable or accessories not certified can not work with the iPhone,

Wiring room refers to the distribution of the weak floor of the room, the weak point refers to the building weak vertical pipe

Q:If you want to sell wire and cable, then what to do in advance to detect? The The The The The

Wire diameter, conductor resistance, insulation diameter, the thickness of the thinnest insulation,

Q:Engineering materials inspection, all types of cable wires should be issued a test report?

LCD TV can not be connected to the top of the box and DVD reasons: the connection line is wrong, you need to re-connect the video cable or high-definition multimedia interface line, component color line. . the first audio and video cable to DVD and LCD TV ("video 1" or "DVD" signal source); . Moreover, the set-top box and LCD TV (HDMI1 . the LCD TV, DVD and set-top box power are open; . according to the source selection, if you want to watch the DVD program, put the signal source to switch to the "high-definition multimedia interface cable (HDMI cable) Video 1 ", if it is to see the set-top box program, put the signal source to switch to" HDMI1 ". . so that put DVD and set-top boxes are also connected to the TV.

Q:Four lines only reached a phase line, at the other end all charged, I use the digital pen! In addition, I often check the cable when the cable current through the dot digital pen voltage symbols sometimes have time to disappear, in other bare wires when the test keys are normal! What is this going on! Ask the heroes to give the younger brother a complete point of the answer! More

Bookstore tool book should have "communication project budget", I do is what you say, the budget is divided into estimates and budget, is two steps. So that is not very clear. But what is needed is the preliminary design of the project. The budget is needed for design and drawings. Internal management of this piece, the main thing is that you need to do what the project department, and are generally very complicated

Q:Remove the computer and wash it off. What the motherboard did not move it, that is, the dust of those dust sasses, as well as the other wire of the skin what Sassafras wash, but the computer re-connected to the Internet when the old mistakes . and the lower right corner of the red Fork appears, disappeared after the emergence. The The Said the network cable is not plugged in, but the MODERN that POWER, LINK, LINE, 3 lights are normal display. The The This is how the matter, and just also appeared keyboard and mouse just start the machine can also be used normally, but in a moment to fall, and then plug their plug re-plug the mouse lights can be displayed, but the lights on the keyboard simply do not Bright, restart the computer but good, what is going on? bother. The The I hope the master quickly to help me, and this machine is relatively old ah No problem added: on a machine, just tried to re-create a connection in the network neighborhood, useless more

No need. Galvanized flat iron to do when the grounding grid is not anti-corrosion, but if there is welding or damaged place to become anti-corrosion.

Q:What is the difference between wires and cables?

The introduction of the device is to introduce the cable into the electrical equipment, without changing the explosion-proof type of explosion-proof equipment

Q:This cable or accessory has not been certified and may not be able to work with this iphone reliably

The operation of the hydraulic pipe is very simple to see it will engage in their own, embedded more simple, and then get the construction site in accordance with the requirements of the drawings put away, tied with tie wire on the OK Mouth up the pipe to use cement bag to prevent good, to prevent the infusion of concrete, so buried even if the end