Given: A 2-conductor, thermoplastic jacketed cable with size 18 AWG copper conductors is listed for use at up to 300 volts. There is no other listing or markings for this cable. For which of the following situations may the cable be installed as permanent wiring?

Given: A 2-conductor, thermoplastic jacketed cable with size 18 AWG copper conductors is listed for use at up to 300 volts. There is no other listing or markings for this cable. For which of the following situations may the cable be installed as permanent wiring?