The FCC mark is a certification mark used on electronic products manufactured or sold in the United States. It signifies that the device’s electromagnetic interference (EMI) is within the limits approved by the Federal Communications Commission (FCC). This regulation ensures that electronic devices do not interfere with radio communications and other equipment, maintaining the integrity of the radio spectrum.
The FCC mark originates from the authority granted to the Federal Communications Commission by the Communications Act of 1934. The specific 法规 concerning unintentional radio-frequency interference are detailed in Title 47, Part 15 of the Code of Federal Regulations (CFR). These rules apply to any electronic device capable of oscillating at a frequency above 9 kHz. The primary goal is to manage the electromagnetic spectrum effectively. Unregulated electronic devices can act as unintentional radio transmitters, emitting noise that can disrupt vital services like radio broadcasting, emergency communications, and aviation systems. To prevent this, the FCC established limits on the conducted and radiated emissions from electronic products. Products are categorized into Class A (for commercial, industrial, or business environments) and Class B (for residential environments), with Class B having stricter emission limits due to the closer proximity to a wider range of sensitive devices. Compliance with these rules is a prerequisite for legally 营销 and selling electronic devices in the U.S., making it a critical step in the product development lifecycle for manufacturers worldwide.
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