Fill in the blank with the appropriate answer.
Type ITC cables (instrumentation tray cable) shall not be installed with power, lighting, or Class 1 circuits that are not power limited, or non-power-limited circuits, except ___________ .
A. where terminated within equipment or junction boxes and separations are maintained by insulating barriers or other means.
B. where a metallic sheath or armor is applied over the nonmetallic sheath of the Type ITC cable.
C. as permitted by B or C.