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:What are the precautions for using the cable mesh and how to use it?

Design time will not be set up, because, when you check the low-voltage lines, but also to the high-pressure corridor. The Design unreasonable ,,, As for the norms, do not know

Q:What are the maintenance knowledge of the manipulator?

1: rails and bearings to keep all the shafts at the guide and bearing cleaning and good lubrication performance

Q:Air source heat pump water heater how to install

Open the TV above shows no signal, there is no correct election to the TV signal source

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:How to properly remove air conditioning in the absence of electricity

Installed with a line, dark with a line tube. Ming with the trunks more beautiful.

Q:Gehua cable TV antenna, that is, home that root plug set-top box behind the TV antenna is particularly long, I put the coil up with a cable fixed a bit, will not affect the TV signal? More

Digital TV box on the S-Video and video terminals did not fight the difference, where do you want to pick up where to pick up

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: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

First look at a few circuits. There is a sketch before the cloth. Optimistic figure. From the electric box to open to wear the main line, and then sub-line on the wall. To clear every road. Lead wire with threader!