Fault prevention is at the heart of Advanced Grid Reliability—shifting utilities from reactive response to predictive maintenance. This session explores how high‑resolution half‑cycle voltage and current waveforms captured by 32 kHz and 4 kHz sensors enable early detection of fault precursors across overhead, underground and low‑voltage assets. Attendees will learn what’s new compared to traditional practices, the role of power quality in corrective maintenance and the operational path to preventative maintenance. The session also highlights wildfire POC results, showcasing how predictive fault detection reduces unplanned outages, improves SAIDI/SAIFI, rebalances TOTEX and helps utilities avoid outages before they occur.