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Wednesday, July 7, 2021

Automatic Transfer Switch (ATS) Installation Checklist

While preparing and installation of ATS, consider the following some key points:

Before installing or testing automatic transfer switches, our employees will ensure that they: 

  1. Inspect for external or shipping damage, loose parts and missing parts.
  2. Verify nameplate data and rating of equipment by following the project IFC drawings.  record.
  3. Identify phases of both sources and identify phases on conductors. 

Verification of Installation:

  1. Mounting equipment is installed by following the project IFC drawings & manufacturer’s specifications.
  2. Check covers and doors for installation as per the manufacturer’s specifications.
  3. Ensure all grounding by following the project IFC drawings and manufacturer’s specifications.
  4. Verify that continuity testing has been conducted. 
  5. Check terminations are complete and by following the project IFC drawings and manufacturer’s specifications. 
  6. Check all conductors are labelled and identified. 
  7. Pull-tug method completed after termination. 
  8. Check the tightness of all cable connections and buss joints.
  9. Perform manual transfer operation; verify the switches in changing status by the mechanical action, to ensure positive interlock between normal and alternate sources. 
  10. Check for cleanliness.


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Automatic Transfer Switch (ATS) Installation Checklist

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