NVIDIA DGX B200 power cord
NVIDIA’s B200 table matches H100 on the cord itself: C19/C20, 250 VAC, 20 A, 1200 mm, six qualified locking cords in the box.
PDU side: push to insert, squeeze both clips to remove. PSU side: gray lock ring, padlock marks lock/unlock.
Source
NVIDIA DGX B200 User Guide: locking power cord specification