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. Joe Tedesco, who has a knack for finding shoddy electrical work, did the dirty work and found this mess. Now it's your turn to identify the violation.

Find the Answer

 

The NEC requires the location of underground service conductors — not encased in concrete or buried 18 in. or more below grade — to be identified with a warning ribbon placed in the trench at least 12 in. above the underground installation [300.5(D)(3)]. Where the cables are energized at more than 600V, as in this installation, Table 300.50 notes the minimum cover requirements required by the Code.

> Try Another Quiz