▲ 183 ▼ g/fire_alarm • 12 days ago NFPA 72 2022 — what changed for mass notification that's actually affecting your installs? 💬 3 replies
▲ 217 ▼ g/fire_alarm • 13 days ago Ground fault on a Class B NAC that only shows up when it rains — took four visits 💬 6 replies
▲ 181 ▼ g/fire_alarm • 17 days ago Smoke detector placement in a 32-foot clear height warehouse — NFPA 72 math 💬 2 replies