It is best to be able to tell me the calculation method, be grateful
You can go to the decoration shop to buy the power supply tube ... this is a safe and convenient tube. Gum you can use the brush to point the detergent or detergent to brush ... to ensure that your walls are shiny.
Low voltage power cable telemetry insulation resistance, should use 500 volt shake table
There is a product can solve the office exposed to the ground wire, is a PU material trunking wiring board, can be used to better cloth cable, plug cable, cable, data lines and so on.
