Hint: questionable NM cable install
See answer below.
This area is located on the inside of an unheated attached garage in a single-family dwelling.
Section 334.10(1) generally permits NM cables to be installed in this location. However, some questions may arise if we look at Sec. 334.12(B)(4), which prohibits NM cables from being installed in wet or damp locations. I would not call this a wet location, but could it be considered a damp location? Some Code users may say “Yes” to this being considered a damp location. NM cables would not be permitted here if this is considered a damp location.
Another concern is the possibility of damage to the NM cables. If you look closely, you can see window shades, tool handles and other stored items in contact with the NM cables. Section 334.15(B) requires exposed NM cables to be provided with some type of protection against physical damage, where necessary. Rigid metal conduit (RMC), intermediate metal conduit (IMC), electrical metallic tubing (EMT), Schedule 80 PVC conduit or RTRC-XW conduit may be used to provide the required protection. One could make the argument that some protection for the NM cable is needed here.
