Home > categories > Electrical Equipment & Supplies > Other Wiring Accessories > What are the requirements for the thickness of the protective tube for galvanized steel pipes used for protection of buried cables? What is it? The design is not clear
Question:

What are the requirements for the thickness of the protective tube for galvanized steel pipes used for protection of buried cables? What is it? The design is not clear

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Answer:

Layered cast can be provided on the power cable and control cable to be layered cast Oh
Phase color tube is mainly to distinguish between the end of the phase mark, can not afford insulation
Red and blue is the color component input, the general standard definition set-top boxes are not the output interface, so you can only choose a composite video input signal. Yellow is the video, red, white is the left and right audio signal, you only need to press the three colors corresponding to plug in the TV above, and then switch the video to the video (AV) lose Hanchuan seal boiling degree phoenix sprouts into the model OK.

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