The Cisco CAB‑AC‑C6K‑TWLK is a high‑quality AC power cord accessory used to connect Cisco networking equipment such as ASR 9000 Series routers, Catalyst 6000/6500‑class switches, and other compatible devices to a facility’s mains electrical supply. Instead of being a functional networking component, this cable provides a secure and reliable electrical connection, with a twist‑lock NEMA L6‑20P plug on one end and an IEC 60320 C19 connector on the other, rated for up to 250 V AC at 16 A. The twist‑lock design helps prevent accidental disconnection and supports flexibility in rack and data‑center power setups, while its robust construction and compliance standards help ensure consistent power delivery for mission‑critical infrastructure.