DC Re- Combiner Box Commissioning Clause Samples

The DC Re-Combiner Box Commissioning clause outlines the requirements and procedures for testing and verifying the proper installation and operation of DC re-combiner boxes in a solar power system. This typically involves inspecting the equipment for correct wiring, ensuring all safety features are functional, and performing electrical tests to confirm performance standards are met. By establishing clear commissioning steps, the clause ensures that the re-combiner boxes are safe, reliable, and ready for integration into the overall electrical system, thereby reducing the risk of operational failures and ensuring compliance with project specifications.
DC Re- Combiner Box Commissioning. All the DC Re-Combiner Boxes are inspected and tested to verify the following: a) Confirm proper input circuit voltage. b) Verification of proper string polarity. c) Confirmation that there are no ground-faults present. d) Verify that all fuses are properly sized and fuse holders operate properly. e) Verify that disconnect switch operates properly. f) Verify that equipment ground is properly installed. g) Verify that all conduit is properly installed and sealed. h) Verify that all string feeder cable termination lugs are properly torqued and torque-marks are appropriately applied. i) Verify that re-combiner bus-bars reflect no damage. j) Verification that all string feeder cables have been installed to the requirements of the design drawings and all cable testing has been completed. k) Verify that door seal is intact and that door operation is correct, with no bowing or off-center closure, all locking mechanisms are in place, no surface damage is evident that has not been repaired according to manufacturer’s specifications, and no enclosure integrity is compromised. l) Verify that UL label (where required) is present and that the equipment voltage class meets the operating voltage class.
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