Q:Elevator monitoring video line tied to the accompanying cable which side is good? How to determine which side of the cable is strong, there are different elevator brand approach is not the same? Such as Otis Elevator and Mitsubishi Elevator. Question added: online There are articles on both sides is not the same, while the high voltage interference is also large, but did not say how to identify more

Part of the construction process requirements for reference Metal Trunking Wiring Installation Construction Technology 1 Scope This process standard applies to the installation of metal trunking wiring in buildings

Q:In the elevator, on the installation of video lines and telephone lines to go and installation tutorials?

Hello, thank you for choosing HP products. Trouble you to provide specific models I can help you lack of reminders of the United States to find you hope that the above reply can help you.

Q:How to connect the high voltage distribution cabinet twice

If the trunking is made in advance, the cross-section at both ends is made as a standard 45-degree slope. When you need multiple trunks, you need to cut the slopes. The other turn some turn left, and sometimes need to turn right, how to know the direction of the slope in advance?

Q:The use of composite heat - shrink tape

Composite insulation heat shrink tape (cable repair heat shrink zone) Operating Instructions

Q:Ask the experts to teach how to make Tablet PC DIY antenna? Such as title

With the engine power: such as the BMW 320Li is 184 horsepower, 328Li is 245 horsepower. With the gearbox type: such as manual transmission, automatic transmission (manual block points: manual, stepless, double clutch) with the chassis suspension: such as Cadillac ATS ordinary version is a common suspension, the flagship version of the electromagnetic suspension. Related to the space: such as the natural sounds of 4.8 meters long version, 5.0 meters long version. Related to the safety of the body structure: such as Passat has a 1.4-ton version of the 1.6-ton version. With the tires: for example, some cars with low 225 / 55R17 tires, high with 245 / 45R18 tires. With the car configuration related to: For example, some leather seats have a world famous audio system with ESP ... ..., some no.

Q:I see someone else with a cable tie each layer, but the elevator movement, is the video line and cable inside the elevator Danzao grass grams of the long ball of cattle factory magic do not move it, for detailed wiring instructions, the best map, , Kneel thanks! The best copy of the map, little brother is not much, all to the table to mind more

Very simple, the video line you attached to the accompanying cable on the OK, but the video cable is not as soft as the cable, easy to break. Good and simple way is to use wireless technology, no attachment.

Q:I would like to ask you friends, merchandise residential house inside the cable how to arrange, I saw in the weak box has a fiber optic cable home, that is, I do not know how to lay, I do not understand, I think you look, if the light cat and router can Placed in the weak box, the router from the router to the network assigned to each room, if the routing into the weak box will not be wireless signal attenuation, the younger brother is a novice, do not understand, please heroes branch try to jealousy Spring but Shanghai move, very grateful, no wealth value, I am sorry. More

Do the map, you can, the key is the price is not good, the selected accessories are not very good, it is recommended to take several

Q:Hello, may I ask, what norms do you have on the shelf?

The diameter of the protective tube depends on all the cross-sectional area of the cable. It is usually required that the total cross-sectional area of the cable passing through the cable can not be greater than two-thirds of the area of the hole in the protective tube.

Q:Whether the wire entry and exit distribution box should be reserved length

KVV22-450 / 750V is low-voltage armored control cable 2 is two 2 is not the meaning of two, 2 is the meaning of two layers of protective layer 4 * 25 you look wrong, because it is 4 * 2.5mm (square) Of the cable only 3 * 25mm + 1 * 16mm cable

Q:We bought the elevator dedicated cable, with video power wire, the customers say that they have done before the tie tie is not broken, is the elevator installation problem or they require bundled copper wire should not be used To tie There are several elevators that are now under the copper wire cut off more

With a multimeter (or shake the table) to measure the insulation, not more than 0.5M Europe on nothing, as long as the insulation of the wire enough, PVC pipe is not used to waterproof, it is used to prevent mechanical trauma, even if not irrigation, buried A long time the tube also has water vapor, is inevitable, nothing!