CAN/ULC-S526-M87

1. SCOPE 1.1 This Standard covers requirements for direct viewing and indirect viewing visual signal appliances for use in accordance with the Standard for the Installation of Fire alarm Systems, CAN/ULC-S524M, and in accordance with the Canadian Electrical Code, Part I. 1.2 These requirements cover visual signal appliances for use in ordinary (non-hazardous) indoor locations and outdoor locations. 1.3 Visual signal appliances for use in hazardous locations shall comply with the requirements of this Standard and the applicable requirements of the Canadian Electrical Code with respect to the location hazard. 1.4 A visual signal appliance (or product) as defined by this Standard is a unit assembly suitable for separate installation as a component of a fire alarm system.