These requirements cover surveillance cameras and accessories intended for use at mercantile and banking premises to provide a means of recording images of holdup attempts or other activities in the area. A surveillance camera may be designed to operate automatically, by manual actuation, or have dual capability. It is intended to record images of the area covered by its field and may take single frame, rapid sequence, or motion pictures. Video and television products used as surveillance camera units shall also comply with the Standard for Low-Voltage Video Products Without Cathode-Ray-Tube Displays, UL 1409, or the Standard for Television Receivers and High-Voltage Video Products, UL 410. These requirements cover equipment intended for installation in accordance with the requirements of the National Electrical Code, NFPA 70. A product that contains features, characteristics, components, materials, or systems new or different from those covered by the requirements in this standard, and that involves a risk of fire, electric shock, or injury to persons shall be evaluated using the appropriate additional component and end-product requirements to determine that the level of safety as originally anticipated by the intent of this standard is maintained. A product whose features, characteristics, components, materials, or systems conflict with specific requirements or provisions of this standard shall not be judged to comply with this standard. Where appropriate, revision of requirements shall be proposed and adopted in conformance with the methods employed for development, revision, and implementation of this standard.