Final answer:
A consumer group is the most authoritative source for information on the hazards of small kitchen electronics, with entities like Greenpeace and Consumer Products Safety Commission providing in-depth research and safety details.
Step-by-step explanation:
An authoritative source for information about the hazards of small kitchen electronics would be a consumer group. Consumer groups such as Greenpeace, which has published the Greenpeace Guide to Greener Electronics, conduct extensive research and provide detailed analyses on the environmental impact and safety of electronics. This would be preferred over online stores and customer reviews, which may not possess the same level of detailed testing and could be influenced by marketing or personal experiences lacking in scientific rigor.
The Consumer Products Safety Commission is another authoritative source that provides safety education, communicating regulations, and posting recall information which could be critical in identifying hazards associated with kitchen electronics. Moreover, established publications like Consumer Reports are dedicated to product testing and reviews, and therefore, also serve as a reputable source of information when considering the safety and potential hazards of kitchen electronics.