How to Prepare for a Power Outage Common Signs You Need Emergency Electrical Repairs Routine inspections of emergency lighting systems are crucial for ensuring operational reliability during a power failure. The British Standards recommend that these systems undergo a thorough examination at least once every month, focusing on the functionality of each individual light and ensuring that all batteries are charged. Additionally, it is imperative to document these inspections meticulously, as this is essential for validating compliance with safety regulations and for identifying any recurring issues that may need further attention.