Fire emergency lights and safety exit signs of the wall wiring with a trunking or iron pipe.
Now the new fire law is the relevant provisions, personnel-intensive places, public places, etc., all bare wires must be covered with metal hoses, there must be a wooden fire brush paint, fire isolation area must be installed fire doors, must be equipped Dual automatic system, mainly to fire regulations. Applicable to fire emergency lighting, fire emergency is the most common of a lighting tool, emergency long time, high brightness with automatic power failure emergency function. Fire emergency lights with low power consumption, high brightness, long life and other characteristics, the edge of the design of a power switch and refers to the lights, suitable for factories, hotels, schools, units and other public places to stop power for emergency lighting purposes.
KZ refers to the control cable, as for the threading tube, or go to the system diagram (electrical box schematic line side) to find, or to find the total description.
Communication signal line transmission current is very small, the conductor is thin
Hydropower installation generally used in the electrical duct is: weak system, the soil buried in the strong electric system selection of metal pipe, embedded in concrete and wall within the strong electric system for the PC plastic pipe. Look at the total description of the drawings can be resolved, do not control the plan.
