【How many cables can be run in PVC conduit and galvanized pipe for RVVP3*1.5】
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The factory has 10 alarm sensors, installed in two warehouses respectively. 2 in Warehouse 1, 8 in Warehouse 2; all are connected using RVVP3*1.5 standard cables. Now, the cable needs to be pulled to the main unit in the control room. The requirement is to use two pipes, with 4-5 cables in each pipe. It’s difficult to pass the cables through pipes with too small a diameter, while pipes with too large a diameter are wasteful and take up more space. I would like to ask what diameter of PVC pipes and galvanized pipes would be suitable?
Two pieces: a 6-mm PVC pipe and a galvanized pipe.
6 points aren’t enough; the constructors say that four three-core wires require a DN40 pipe to be sufficient
Take two pieces of PVC pipe and galvanized pipe, one inch each
It says the cable is a 3*1.5 shielded cable. It’s very difficult to pass four cables through a 1-inch PVC tube, and it’s hard to get them through the joint areas as well.
I think 3*1.5 shielding wires can fit in there; each wire is probably about as thick as a little finger. Since they are flexible wires, the connectors are wrapped together with steel wire and pulled in gradually, so there should still be some space left inside the tube.
No, they just pick up the tube and push it in; there’s no need for steel tape at all