Testing – Power Distribution, Etc.
• Make sure to follow your testing document that was created during the testing preparation phase.
o This document should have detailed steps of everything that will be tested within the panel.
• Determine the equipment that will be needed for this testing
o A way to power the panel temporarily
o A multimeter is a good choice for testing power
o A multimeter is also good for checking continuity between points within the panel
o Depending on the test that will be performed, you might also need:
 Torque screwdriver
 Computer (Laptop)
 Precession screwdriver
 Extra wire
 Etc.
• Begin testing power distribution
o Start with main incoming power and main breaker and work your way down stream
 Main/Utility Power
• Any devices running on this power
 AC Power distribution
• All devices running on this power
 DC Power distribution
• All devices running on this power
o Make sure to check the voltage at each device.
o Also ensure that you are able to disconnect power by removing fuse, or shutting of breaker
 Then check device to make sure power has been disconnected
o Verify circuit breaker and/or fuse sizing for each circuit
• Before moving on the other areas of the test, ensure that everything related to the power distribution correct, including:
o Labeling
o Hardware verification
o Hardware location
o Proper voltages
o Etc.

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Additional Links -

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Manufacturers Page:
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Panel Fabrication Page:
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Panel Hardware:
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Enclosures:
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Terminal Blocks & Connectors:
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Cable Wire & Assemblies:
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