Western Telematic NBB-1600-D20 - Manual (Page 11)

2-3
Unit Description
 Power Circuit "B" Input Components: An IEC320-C20 AC inlet
and circuit breaker, which supply power to plugs 9 through 16. Also
includes two mounting screws for Cable Keeper. Includes same
components as item 8 above.
 Rack Mounting Brackets: (Not Shown.)