Although most no. 10 wire used is solid, it would be beneficial to use the stranded type when connectors will be crimped on. The correct option is a.
Stranded wire is used for the crimped connections.
Although most no. 10 wire used is solid. The stranded type wire must be used when the connectors will be crimped on.
The screw terminal uses multicore wire whereas Direct run wire uses solid wire. The longer run uses optical wire.
Thus, the correct option is a.
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