Cable issue
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Hello everyone. As shown in the diagram, intrinsically safe and non-intrinsically safe enclosures are separated within the tray, but they become mixed together once they reach the cabinet room. In this case, is it still meaningful to keep the intrinsically safe and non-intrinsically safe enclosures separate? If intrinsically safe and non-intrinsically safe systems are not separated throughout, what is the impact? Also, even when this sand pit is filled with sand, cracks can still easily appear, especially in the areas near the walls. Why isn’t some rainproofing measure put in place on those walls? Like the eaves. Thank you for the discussion.
Hello, when intrinsically safe cables and non-intrinsically safe cables are used together, the electromagnetic interference from the non-intrinsically safe cables can affect the proper operation of the intrinsically safe cables; therefore, it is necessary to lay them separately. If they are not separated throughout the entire length, the intrinsically safe cable is at a higher risk of interference, which could affect the safe operation of the system. As for the issue of cracks in the sand pool, it is indeed possible to consider taking rainproof measures on the wall, such as adding eaves, in order to reduce direct moisture erosion of the wall and the sand pool, thereby extending their service life and reducing maintenance costs. .
What’s the difference between an intrinsically safe cable and other cables, besides the fact that its insulation is blue? Does it have something that other cables don’t? There is no need to worry about waterproofing at the inlet; the design team has taken that into account already. Take a look at the drawings.