Q:Which has, know the power of the electrical, choose the cable formulas. And explain it

Need to buy the hardware: not only to buy a router, but also to buy switches or hubs (according to the number of your computer can buy the corresponding number of jacks, such as . . etc.), the time of each computer to the switch to the switch, Long cable, a few. There are two ways to set up a local network is more popular: 1 host dual network card proxy Internet access, take a computer host, host dual NIC, a network card to connect MODEM (external network), a network card to connect switches or hub (network), local area network The computer connected to the switch or hub, to achieve sharing of the Internet, the advantage is relatively stable, not easy to drop, the disadvantage is: host crash or system failure, LAN other computers can not access the Internet. 2 router Internet access. MODEM connected to the router (if your MODEM routing function will not have to buy a router), the router connected to the switch or hub, LAN computer connected to the switch or hub, more suitable for small local area network, landlord can use this approach is relatively simple. In addition, each computer must set the TCP / IP protocol, set the gateway, sub-mask, DNS, IP address (other computer can be set to specify the IP address). Manually set these than do not set the speed faster, huh, huh.

Q:Substation secondary circuit in a variety of screens and equipment between the cable is how the number, the number of principles is what? The More

Do not understand what you say in the end want to know what the general use of the network patch panel cabinet installed above the patch panel + cable + then jumper access to the switch, the other end of the RJ-45 network module, fixed at Around the desk, and then jumper access to the client, the benefits of doing so are both ends of the line has a clear logo, alignment flexibility, you can quickly locate the line fault. Telephone is also similar to the patch panel, but the floor area is more time, are generally take a large logarithmic line, and then take the wiring box, and then from the wiring box to the desk module.

Q:Is the cable head in the power distribution equipment plugged

The wall did not use the caulking band lead you to use a toothpick sticky paint to fill and then use a small brush and then brush again paint can be cracked on the process to repeat this process after two or three will not crack

Q:Three-phase five-wire system of the national standard cable 5 * 2..5 * .5 * .5 * .5 * .4 * 25 + 1 * 16 seizure light libel gambling Chi Chi performance, 4 * 35 + 1 * .4 * 50 + 1 * . the cable can bring much power equipment? The The Equipment for the United States more air-conditioning units

Cable laying methods are the following: direct laying, laying laying, tunnel laying, cable trench and bridge laying, underwater cable laying

Q:How to choose the cable diameter according to the motor size

If the use of a flexible code will be numbered only on the phone to ask the operation and maintenance center number in which the port

Q:Wire and cable processing prospects how kind of equipment how much money one?

Determine how many cables are placed according to the cable specifications.

Q:What recycled rubber is suitable for the production of wire and cable?

According to the relevant national electricity standards, yellow, green, red, respectively, corresponding to the symbol A, B, C three-phase color are representative of the three-phase AC power line. The zero line is represented by blue, symbol N. Yellow and green and white lines are ground wire, symbol PE.

Q:Power distribution box and cable splitter box difference

Power box with a load switch, the cable distribution box with no load switch

Q:Yc-185 cable carrying capacity is how much, what is the current carrying capacity of the cable can calculate it?

If the set-top box is high-definition, it is best to connect the TV with HDMI cable