ATS / Switchgear
ATS - Load + mV Drop Transfer
Practice an energized ATS test sequence: load current and contact mV drop on normal, transfer to emergency, repeat readings, and document source/load behavior.
Live-dead-live source verification
Select the T+Pro-style voltage tester, prove it on a proving unit or known live source, verify the intended ATS source/load points, then prove the tester again before switching to the DMM/clamp meter.
Current Objective
Live-dead-live source verification
A field tech proves the tester, identifies normal/source/load points, confirms PPE and barriers, and then switches to the DMM/clamp meter for load and mV-drop readings.
Why
ATS testing is energized, so the habit is still meter proof before-contact-after. It confirms the tester is alive and the tech understands which source is live before taking load or mV-drop readings.
Safety
This is energized work. Real testing requires an energized work plan, arc-flash PPE, barriers, and customer coordination.
Tip
Call out normal and emergency source status before touching controls. It keeps the customer and the report aligned.
Loadout
Test Bench
Required Now
Test Instrument
RequiredEnergized Work
RequiredATS Source
RequiredSim Workbench
Lead Placement
Select a lead, then hit the highlighted target nodes.
Expected for Current Step
Meter red / source lead: Known live source. Meter black / load lead: Normal line lugs. Lead order is flexible for this check.
Voltage proof
Normal
Emergency
Load
Control
Meter red / source lead
Not placed
Meter black / load lead
Not placed
Step Checklist
Field Intel
Take load current before judging contact millivolt drop.
Keep normal and emergency source readings separate in the report.
Treat energized testing as a planned task with PPE, barriers, and customer coordination.
Mistakes Tracked
No mistakes yet. Good simulator runs come from correct setup, lead placement, and sequence discipline.
Readings
Correct the setup, place leads, and run the current step to generate simulated readings.
Profile History
No saved attempts yet. Completed reports show up here and on the simulator landing page.