The conductors with the green and yellow sheathing had some strands removed in order to fit under those lugs in this electrical service panel. Is yellow an acceptable color for them to have used underneath that particular lug? Seems like the yellow-sheathed conductor was used as a neutral conductor. This panel is feeding a manufactured home.
The neutral cannot be yellow but the color isn’t the worst problem with this mess.
200.6 Means of Identifying Grounded Conductors.
200.6(B) Sizes 4 AWG or Larger.
An insulated grounded conductor 4 AWG or larger shall be identified by one of the following means:
(1) A continuous white outer finish.
(2) A continuous gray outer finish.
(3) Three continuous white or gray stripes along the conductor’s entire length on other than green insulation.
(4)At the time of installation, by a distinctive white or gray marking at its terminations. This marking shall encircle the conductor or insulation
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