Q:Do not have a very professional, can mark the specific layout, specifications can be

Phase correction, the first is to prevent parallel lines in the line when the phase short circuit, the second is in the line automatic device action, because the action time is short or the line is longer capacitive, due to different phase, resulting in the lower three-phase electricity Equipment impact

Q:What is the difference between a fireproof bridge and a fireproof bridge?

SC new standard annotation, same with the original G, should be the wire tube, (that is, usually said thick-walled wire tube) is marked as RC, pass the original mark The GG is usually said that the water gas pipe

Q:MR-150 * 75 What does it mean? Is the bridge of the electrical?

"GB / T9330.3-2008 plastic insulated control cable XLPE insulated control cable", "GB / T-2008 rated voltage 1kV (Um = 1.2kV) to 35kV (Um = 40.5kV) extruded insulated power cable and annex". "GB / T-2008 rated voltage 1kV and below overhead insulated cable"

Q:I know that CCC is a mandatory product certification in China, CCC certified product catalog: wire and cable (my question is is the cable tray included in this range?) · Circuit switch and protection or connection with electrical equipment installed low-voltage electrical small Power motors · Power tools · Welding machines · Household and similar equipment · Audio and video equipment · Information technology equipment · Lighting equipment · Telecom terminal equipment · Motor vehicles and safety accessories · Motor vehicles Tires · Safety glass · Agricultural products · Latex products · Medical Device Products · Fire Protection Products · Safety Technology Prevention Products · Wireless LAN Products · Decorative Products · Toy Products More

Choose to buy data lines, the key is the quality, quality and better workmanship. Choose which brand does not matter

Q:Do not use fire blocking material? Question added: commonly used models of fire pack specifications which ah more

General municipal engineering of the weak cable pipe, refers to the radio and television systems, communications systems, closed-circuit television, monitoring systems, fire linkage system, video intercom systems and other wiring and pipeline

Q:How to draw the bridge, can directly pull out the four lines composed of the bridge?

Scenario 1: Both voice and data points are terminated with 100 pairs of 110 patch panels, using 1 and 4 pairs of duckbill jumper jumps

Q:Is not the cable bridge, the whole plant laying a flat iron, each layer of equipment to the ground bus to the bridge on the flat iron, rather than on the bridge. Is this the requirement? More

L line with the wire line to understand the road to the N line without electricity to understand the circuit switch and other power facilities are installed on the line of fire to prevent electric shock

Q:What is the national standard for energy saving bridge?

CableAccessories are the products connecting cables and transmission and distribution lines and related power distribution devices

Q:Always confused the bridge has been linked with copper mesh with a why even laying a galvanized flat iron. More

Repair computer accessories (motherboard) is basically to return to the factory (in addition to the memory is a direct change for the new to you), and now what the boss so much repair their own repair ah -.- burned more serious? At least tell you about what is burning it. There is no burning is not serious argument, only to repair and can not repair these two cases. As for the will not be changed things, unless you have seen, according to phase, or really no way.

Q:Bridge down the wall down to the distribution box top, how to import distribution box?

VGA wiring method 1R signal 2G signal 3B signal 4 empty 5 empty 6 ground (R) 7 ground (G) 8 ground (B) 9 empty 10 ground 11 self test 12 empty 13 line synchronous (or composite sync) 14 field synchronization 15 Empty This is vga15 pin wiring method, only used to 6 lines, according to the connection you vga line.