I Stand Corrected, maybe
I Stand Corrected, maybe
110.54(B) Equipment Grounding Conductors. An equipment grounding conductor shall be run with circuit conductors inside the metal raceway or inside the multiconductor cable jacket. The equipment grounding conductor shall be permitted to be insulated or bare.
225.4 <exception>
250.119
250.120(B)
...
550.32(B)(4) and 550.10(I)(1)(2) together may be the only out allowing a non-insulating grounding conductor.
550.10(B) required insulated grounding in cord
550.10(I)(1) Mast Weatherhead or Raceway. Where the calculated load exceeds 50 amperes or where a permanent feeder is used, the supply shall be by means of either of the following:
(1) One mast weatherhead installation, installed in accordance with Article 230, containing four continuous, insulated, color-coded feeder conductors, one of which shall be an equipment grounding conductor
(2) A metal raceway or rigid nonmetallic conduit from the disconnecting means in the mobile home to the underside of the mobile home, with provisions for the attachment to a suitable junction box or fitting to the raceway on the underside of the mobile home
[with or without conductors as in 550.10(I)(1)]. The manufacturer shall provide written installation instructions stating the proper feeder conductor sizes for the raceway and the size of the junction box to be used.
550.32 Service Equipment (B) Manufactured Home Service Equipment.
(4) Bonding and grounding of the service
shall be in accordance with Part I through Part V of Article 250.
550.33(A)(1) required insulated grounding conductor