How well do you know the Code? Think you can spot violations the original installer either ignored or couldn't identify? Here's your chance to moonlight as an electrical inspector and second-guess someone else's work from the safety of your living room or office. It's your turn to identify the violation.
Hint: Wet behind the ears
Find the Answer
This outdoor installation of electrical metallic tubing (EMT) is taking on water faster than a sinking ship! The set screw type connectors are not for use in a wet location, as required by Section 358.42 of the 2011 NEC in correlation with Section 314.1.
In damp or wet locations, the fittings and enclosures must be installed or equipped to prevent the moisture from entering or accumulating within the fitting or enclosure. In a wet location, the equipment must be listed for use in a wet location.
This type of equipment and the positioning of the set screw connector on the vertical raceway is arranged to accumulate the water, not to prevent the accumulation of it. With moisture and water free to enter the raceway and conduit fitting, it’s only a matter of time before the tubing begins to corrode and the wires inside begin to get damaged from the constant moisture and increasing rust. This excessive moisture inside the equipment can also significantly increase the risk of shock and fire if the moisture contacts any energized terminals or splices. The wires inside of the EMT must be of a type specifically made for use in a wet location, such as one of the types described in Section 310.10(C).
