My team is in charge of infrastructure so most of us do everything. Sometimes I get to take down prod AND cut myself off from the network in one move. Why is

My team is in charge of infrastructure so most of us do everything. Sometimes I get to take down prod AND cut myself off from the network in one move. Why is every service on this site alerting? All I did was plug something in. Maybe that cable wasn't labelled correctly after all, proof is in the results.