Electrical Talk Pics & VideosCommented on: 26 weeks ago (March 27, 2014)
Two things are wrong. One is that a 20A circuit was used to power it up because it's a 15A GFCI and when the conductors were installed it wasn't torqued properly. This created arcing when it was...
The connecting niples should had been rigid type.
The pump should had been enclosed type of motor for wet locations and also the greenfield should have been a sealtight type of flex connection.
Instead of using the load center as a feed through a junction box would be better and installed before the two panels and from that J box pipe it to the individual panels.
That is the stupidest way to bond a box.