The home run cables from the modules to the external junction or combiner box for the entire array will use the USE-2 or PV wire called out in 690.31 (A). These conductors are usually 12 AWG or 10 AWG ...

Test your knowledge of the NEC.Mike Holt is the owner of Mike Holt Enterprises (www.MikeHolt.com), one of the largest electrical publishers in the United States. He earned a master's degree in the ...