06
2021
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08
PVC pipe line can generally wear a few lines
Author:
pvcLine tube can generally wear several lines
When the new house is decorated, many people usually carry out water and electricity decoration. Everyone should have seen it before. When wiring, it usually passes first.PVCLine tube re-wiring. You know a rootPVCHow many wires can the line pipe wear at most? What are the ways to make the wire pass through the pipe faster? After reading these, I understand that workers can't cut corners.
First of all, according to national standards, wires inpvcThe total space occupied in the line tube should not exceed40%. In general, home decorationPVCThe line pipe is generally16mm. Can only wear at most6Root2.5The line of about square meters can only be worn at most.3Root4About square meters of the line. It only needs to be calculated according to the cross section of the wire.
Then why reserve60%This is mainly because the wire in use, the current through the heat, so need to leave enough heat dissipation space. Another reason is that if the threading pipe is full of wires when the line fails, it is difficult to pull out the wires during maintenance, which increases the difficulty of maintenance to a certain extent.
What are the thread methods?
1.If you wear a circle or the whole thread is relatively long, you need to add talcum powder to it, which will facilitate the maintenance of drawings and later maintenance. However, if the quantity is small, it may be loose. At this time, the insulation layer of the front section of the wire needs to be cut off, and then the core is fixed in the coil.
2.Remember that wires of different voltages and circuits cannot be put into the same pipe. But if there are several lighting lines or lines that do not interfere with each other, it is fine, but be careful not to wear too much.
3.Remember to cut the thread after threading. If the connection position is a junction box, switch, socket, etc., Reservation required15CMThe length of the left and right. Half of the perimeter of the distribution box is reserved for the distribution box and reserved when going out.1.5m.
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