The wire conduit requires a jumper connection
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Today, the requirements for grounding in hazardous explosive areas are becoming increasingly strict. Electrical codes stipulate that conduit systems must be connected with jumper wires; so, is it necessary to use jumper wires for the low-voltage conduit systems used in instruments as well? ? Are there any relevant standards that I can study?* ? ? ?
In hazardous explosive areas, the low-voltage wiring conduits for instruments also usually need to be bonded. For specific requirements and specifications, refer to the \"Code for Explosion Protection Safety of Electrical Installations\" and the \"Code for Construction and Acceptance of Building Electrical Engineering\"