Their own home cover the second floor, would like to first embedded their own wire tube, are generally not used PVC pipe, like lighting and socket are used much of the PVC pipe, that galvanized pipe is doing more
unable. 13.10.5 Line laying shall comply with the following provisions: 1 When mineral insulated cables are used, they should be laid or laid in the ceiling; 2 Flame-retardant cables or organic insulated fire-resistant cables, in the electrical shaft Or when the laying of the cable trench can not wear the catheter protection, but should be taken with non-fire protection cable isolation measures; 3 when the use of organic insulation fire-resistant cable for the fire power supply lines, the use of Ming lay, ceiling laying or overhead floor laying , Should wear metal pipe or closed metal trunking protection; wear through the metal pipe or closed metal trunking should be coated with fire protection measures such as fire protection measures; when the line is laid, should wear metal pipe or flame retardant rigid plastic pipe Protection, and should be deposited in the non-combustion structure, and the thickness of the protective layer should not be less than 30mm;
Now on the market after the double-car car DVD with a reversing rear view function.There are a reversing line on the power tail. This line as long as the 12-volt power will be displayed on the rear view of the image function, but to achieve This function in the back of the car to install a rear view camera, wiring upstairs to say after
Rear view camera has a yellow video cable, there is a power cord, and then the power cord directly connected to the reversing lamp power cord (hang up the reverse gear, directly in the rear of the wiring harness found in the back to the OK pull ), Then connected to the cable line, and finally the video cable into the host behind the reversing video input interface on the OK pull!
Connect the power cable of the camera to the power supply cable of the car rear drive, connect the video cable of the camera to the video extension cable, and connect the other end of the video extension cable to the AV input of the car DVD display. Finally, restore the battery, start the car , Put on the reverse gear, you can see in the car display reversing image. Note: 1. Can not rely entirely on the reverse camera system reversing, but can only be regarded as a reversing aids. 2. The car display must be connected properly. If the AV input connector is not provided, the corresponding video cable must be found or the video switching device should be installed so that the rear view image can be displayed normally. 3. Do not easily connect the car power supply directly to the car battery power, so as to avoid power instability.