Jason,

The roof is a wet location so connectors rated for wet locations are required. The NEMA 4 rating of the junction box doesn't change matters.

Kent Osteberg
Blue Mountain Solar

 

Jason Szumlanski wrote:

Anyone see a problem using Ideal In-Sure Push-In Wire Connectors in a NEMA 4 roof mounted PVC junction box? Specifically, Ideal Model 39 for splicing #10 AWG.

 

They are 105C, 600V rated, but not rated for wet locations. I’ve had inspectors require wet location rated twist-on wire connectors before in these boxes. I foresee an issue…

 

Unfortunately, these connectors were not addressed in John Wiles code corner Making Connections article in 2003. May be time for an update!

 

Jason Szumlanski

Fafco Solar

 


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