This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Cambrian college no firestop . Unsealed throughpenetrations in fireresistance rated assembly at Cambrian College Greater Sudbury Ontario Canada August No firestop fireresistance rating for the whole barrier Here it also seems like spray fireproofing was used to mask building joint which should be properly firestopped Penetrations