Hello all,
I have had an inspector saying grounding bushing is required when I have a 1/2” EMT conduit which is run externally and terminates into a fused A/C disconnect that has 1/2,3/4,&1” concentric KOs on the bottom of the disconnect. This EMT is installed from main panel and is run through 1 1900 4” square box. Inside fittings are set screw and exterior are standard compression type. This is residential power so 120/240 volt system. He states both 250.92 and 250.97 as violations but I disagree. First off, 250.97 applies to systems over 250 volt. Secondly 250.92 allows for listed fittings “made up tight” to properly bond EMT. Any thoughts are appreciated. Thanks
I have had an inspector saying grounding bushing is required when I have a 1/2” EMT conduit which is run externally and terminates into a fused A/C disconnect that has 1/2,3/4,&1” concentric KOs on the bottom of the disconnect. This EMT is installed from main panel and is run through 1 1900 4” square box. Inside fittings are set screw and exterior are standard compression type. This is residential power so 120/240 volt system. He states both 250.92 and 250.97 as violations but I disagree. First off, 250.97 applies to systems over 250 volt. Secondly 250.92 allows for listed fittings “made up tight” to properly bond EMT. Any thoughts are appreciated. Thanks
