Q:I would like to ask you, you generally do steel plant, how to lay the bridge feel better? I have some drawings, 1. Some of the bridge laying in the I-beam column, 2. Some of the bridge laying on the wall, 3. There are bridges along the steel roof truss lay, I went to know the appearance of steel roof truss, There are winding, chord, the middle of the abdomen is used to insist on the upper and lower sides, but that is along the winding, roof truss sometimes not linear level, sometimes for example triangular steel truss, not the level of the winding how to walk it? Is it easy to walk? Do not know where you design steel plant, the bridge how to design the best, the most appropriate? Thank you! More

What is the number of air conditioning is usually called, according to the air conditioning power consumption to estimate the amount of air conditioning cooling. In general, the habit of using a equal to 2500W of cooling capacity (that is, 25 models), 1.5 is about equal to .3500 amount (that is, 35 models). 1.5 for 16 to 26 square meters. 4 square of plastic copper wire can be 10kw enough to take the green line. 2.5 square steel wire can accommodate 3500W can also be. Preferably 4 square meters of plastic copper line is good

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

First to figure out what the three lines are, if I guess good, it should be a FireWire, a zero line, a switch line. (But how is there no ground?) Come on according to this then L connected to the line of fire, N then zero line, there is a sign of the ground wire. Do not know their own words, do not mess up, called an electrician to pick up better, or easy to accident Oh!

Q:What is the angle of the cable bridge climbing angle?

If it is the same style, then the cable protection tube its inner wall may be 2.8mm it, like .20 and the like may be inside the bar.

Q:Does the weak and fire can share a cable tray?

. cable tax classification code selection wire and cable. . tax classification code selection tax classification coding part of the code tax rate and the actual tax rate is not consistent with the accounting, you can call the tax classification code, and then "commodity code editor" interface and then modify the tax rate. need to open a mixed category of goods, such as supermarkets issued by the name of food products, but the actual product is bread, biscuits, milk and a series of goods collectively. Tax classification code for the division of the more detailed, so can not be called together with a number of coding, the proposed accounting in accordance with the actual product name and then select the appropriate tax classification code, or let the accounting advisory manager of the Inland Revenue Department is allowed to collectively, which should be selected category Instead of the choice of tax classification code, the first to determine whether the sale of goods, or service industry, which helps to find in the category. It is recommended to use the search search keywords (do not enter the full name). if the need to issue a commodity is collectively referred to, such as A unit issued by the goods is fixed assets, you can ask the next account of what is the specific fixed assets, vehicles, office use, the use of goods, part of the tax classification code may not be found in the lowest level menu directory, but in his upper level menu directory there is no need to find the tax classification code. For example: nursery this commodity. Point "forestry products" under the three subdirectories are not found, but click on "forestry products" will appear.

Q:What are the different types of cable trays?

The level of the general by a support of 2 meters vertical control by 1.5 meters a support. Large span is based on the length of your bridge

Q:Will the metal cable tray installation of the boom or boom specifications is how the provisions! Such as how much of the bridge is equipped with a large boom, how much must use the boom

Insulation for PVC sheathed for PVC 22 is steel tape armored

Q:What is the difference between a trunking and a bridge in a weak construction?

The bridge is taken once the equipment of the trunking is the secondary equipment

Q:Will the electric wire be able to travel with the ordinary wire?

Puncture clips and T terminals need to remove the cable jacket, but the puncture clip does not peel off the cable core insulation layer, T terminal need to remove the cable core insulation layer. Puncture clip contact surface is small, firm degree of poor, simple and quick construction. T terminal contact surface is large, the installation is firm and reliable, but the construction is relatively difficult.

Q:Whether it can be in the bridge under a layer of 60mm polystyrene board, at home 20mm asbestos insulation, insulation layer wide out of the edge of the bridge 200mm? The The Hurriedly ... can you? More

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Q:Our cable tray is the fire bridge each section are connected with copper braided wire grounding, but how to stent the ground? More

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