It shall be unlawful to install or use any electrical device, apparatus or equipment
designed for attachment to or installation on any electrical circuit or system for
heat, light, power or fire alarm system that is not in good design and construction
and safe and adequate for its intended use. The electrical inspectors shall have the
power to disapprove the use or installation of devices not fulfilling these requirements.
(b)
Devices, apparatus and equipment listed by such generally recognized authorities as
United States Bureau of Standards or by qualified electrical testing laboratories
such as electrical testing laboratories (ETL), underwriters laboratories (UL) or factory
manual (FM) may be given the approval by the electrical inspectors unless explicitly
disapproved by such authority for reasons of faulty design or poor construction involving
danger to persons and/or property.
