The devil is in the details (FCC Rules Part 15.5). Comments below in [square brackets] are mine.
(1) This device may not cause harmful interference…. [to licensed devices. Licensed devices are protected by the FCC Rules. The other less obvious meaning of this part of the label statement is that a Part 15 device operates at sufferance and compliance with the technical standards does not relieve the equipment owner from non-interference. It doesn’t matter if your product is 20dB below the FCC limit. If it is interfering, it must cease.] (2) This device must accept any interference received, including interference that may cause undesired operation” [Part 15 devices are offered no protection from interference (whether generated by licensed devices or not). The FCC is only interested in protecting communications, not product quality.] -Bob Sykes From: Richard Nute [mailto:ri...@ieee.org] Sent: Thursday, October 31, 2019 4:24 PM To: EMC-PSTC@LISTSERV.IEEE.ORG Subject: [EXTERNAL] [PSES] FCC regulatory statements CAUTION: This email originated from outside of the organization. Do not click links or open attachments unless you recognize the sender and know the content is safe. “This device complies with part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) this device must accept any interference received, including interference that may cause undesired operation” Hmm. So, if the device causes harmful interference, operation is prohibited (1). And, if the device accepts interference that causes undesired operation, operation is prohibited (2). A CFL causes undesirable interference with my radio. So, operation of both the CFL and radio is prohibited. Is my interpretation correct? Best regards, Rich - ---------------------------------------------------------------- This message is from the IEEE Product Safety Engineering Society emc-pstc discussion list. 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