Emergency lighting is there to continue working in the case of a mains power failure or cutout. It's commonly seen in commercial properties, or residences with multiple occupancies, and means that lights stay on in passages, staircases and service areas for safety and to enableemergency evacuation. The lighting needs to comply with health and safety guidelines, with LED ligting a popular energy efficient choice. Commercial lighting provides reliable and low maintenance answers to lighting requirements in business premises, factories, commercial properties and public spaces. There are a wide range of types to consider, with different features needed for varying needs, including health and safety regulations.