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Re: NFPA petition decision on 2014 NEC 445.20, for portable generators <15kW




Guy,


In my discussions with PGMA, I referred them to your transformer based SDS solution as an example of how to tackle our circumstances. It was clear that they were not well informed on our use cases in pro audio, and the likelihood of some of the other possible fault states in our use context. I also suggested that they approach Honda about creating a listed bonding kit for those who know that they need such a thing.


The reality is that the PGMA members are busy selling lots and lots of generators into home backup and/or cord and plug connected applications. They don't seem interested in complicating the connection procedure in those circumstances, regardless of our boutique needs in pro audio or the film industry. The floating neutral configuration allows them to produce generators that are bonded in the home backup case, and provide a reasonable degree of protection against faults in the cord and plug use case.