FREQUENTLY ASKED QUESTIONS

What is an FDC? +

An FDC (Fire Department Connection) is the point where firefighters connect hoses to boost water supply to a building’s sprinkler or standpipe system during a fire.

Why do FDCs and standpipes need locking caps? +

Unprotected connections are often targets for theft, vandalism, and debris buildup. Locking caps help ensure they’re ready when firefighters need them.

Who can unlock Knox caps? +

Only authorized fire departments or agencies with the matching Knox key.

Are Knox products required by code? +

Many jurisdictions adopt Knox Rapid Access Solutions as part of their local fire prevention program. Requirements vary by location and you should check with your local fire department or responding agency.

What happens if an FDC cap is missing? +

Missing caps can lead to blocked or damaged inlets and may result in inspection deficiencies.

Who installs the Knox FDC Locks and Storz Locks? +

After receiving your Knox locking FDC caps, call your responding Fire Department to schedule an inspection and help install and lock the caps.

Where do I install my Knox FDC products? +

Knox locking FDC caps protect fire department connections and are generally found on the exterior of buildings. Knox Storz Lock caps protect fire hydrant and fire department connections which can be found in stairwells, parking garages and the exterior of buildings. More location and installation information can be found here.