In ventilated non ventilated or ladder type cable trays.
Mc cable connectors for wet location.
Duraclad type ac cable view pdf.
I assume you would derate from the 75c column in a damp location like you do in a wet one.
Metal clad mc mcc mci mci a cable teck interlocked ccw.
Jacketed metal clad cable with alumaflex brand xhhw 2 feeder size conductors view pdf.
Installation for use.
If the mc is wet location rated doesn t that encompass damp locations.
Mc pcs hcf duo.
Water tight union.
Wet location connectors wt wtu.
In cable trays nec 392.
While any wire that is approved for damp or wet locations can also be used in dry locations there are some dry location wires that do not have the appropriate insulation to be used in damp or wet locations.
Mc cable may be used under the following conditions.
Armorlite type multi circuit mc pvc jacketed cable view pdf.
Appropriate uses for various wire types are given in article 310 10 of the nec 2017 edition.
Wtu used for threaded entrances.
Exposed or concealed wiring in dry or wet conditions.
I looked at the mfg page for the southwire mc xhhw one of the wet location mcs it says that is an xhhw 2 conductor and that conductor is listed wet and damp 330 10 a 11 c.
In wet locations per nec 330 10 a 11 a for direct burial in the earth where identified for such use or embedded in concrete per nec 330 12 2 a in assembly occupancies nec 518 4 in theaters audience areas and similar locations nec 520 5 as aerial cable on a messenger wire.