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The most important thing is beautiful to do horizontal and vertical, elbow reasonable 90 degrees! This is the most important if the SC tube needs to be painted with antirust paint, and fireproof paint. If it is explosion-proof need to install the RC tube and set the wire and the junction box docking requirements sealed.
1411 The metal conduit and trunking must be grounded (PE) or zero (PEN) reliable and comply with the following: 1 galvanized steel conduit, flexible conduit and metal trunking shall not be welded to the bridging ground wire,
Generally for the KBG tube with the first, reliable connection, the use of special connectors, connecting pieces must be broken wire must be twisted off. Second, laying the length of the length of more than 30 meters should be added over the box, there is a right angle bent more than 20 meters should be added over the box, there are two right angle bent more than 15 meters should be added over the box, there are three right angle greater than 10 Meter should be added over the box. The The Third, the wall fixed or hanging fixed fixed is generally not more than 2 meters fixed once, turn within 1 meter fixed time, the wall fixed use of special cards (such as saddle card, ingot card, etc.). Fourth, do cross the ground, the pipe and tube connection, tube and box connection, pipe and bridge connection, with BV2.5 or BV4 do spring-like tube and tube or bridge or box at both ends of the connection connection. Fifth, the wall brush anti-rust paint and fire retardant paint if the metal hose or Puli card tube with the configuration, the length is also required, the specification requires no more than 1.2 meters lighting system, the power system does not exceed 0.8 meters.
