Main Bonding at Main Panel & Transfer Switch

[shockmate]

Homeowner's setup for his portable backup generator. AHJ told him he had to separate the N/G from the transfer switch and install a ground rod for his generator. The generator instructions only statement is to follow local rules. Nothing mentioned about swapping N/G back and forth from main panel and sub-panel.

 

[infinity]

The neutral is not switched so the ground rods are not needed as this is not an SDS.

 

[texie]

The inspector is partially correct. The GEC is not required but the bonding jumper is not permitted in the MTS as this would be bonding the neutral downstream of the MBJ.

 

[shockmate]

I failed to mention that this was installed over twenty years ago with a 30-amp inlet on 6AWG. HO picked up a new larger generator and wanted to replace the 30-Amp generator inlet to a 50-Amp. The grounding electrode requirement comment from AHJ was a deer in the headlights moment though. So, I guess I am allowed to replace the 30-Amp inlet with a new 30-Amp but, not allowed to upgrade it with a 50-Amp?

 

[infinity]

I failed to mention that this was installed over twenty years ago with a 30-amp inlet on 6AWG. HO picked up a new larger generator and wanted to replace the 30-Amp generator inlet to a 50-Amp. The grounding electrode requirement comment from AHJ was a deer in the headlights moment though. So, I guess I am allowed to replace the 30-Amp inlet with a new 30-Amp but, not allowed to upgrade it with a 50-Amp?

Why wouldn't you be able to upgrade this to a 50 amp inlet? The #6 AWG conductors are large enough. Besides the inspector is 1 for 2, he's incorrect about the ground rod but the bonding jumper must be removed in the transfer equipment.

 

[shockmate]

I am going to have a chat with the inspector myself to get this all worked out. The HO is a buddy of mine and trying to do this on his own but, it's time for me to get directly involved. There has to be some miscommunication in there somewhere.