On 10/18/2025 4:09 PM, Greg Troxel wrote:
For panels, receptacles, wiring, and hard-wired car chargers, etc. that
first part seems accurate.
The bit about insurance seems like it might be true and it might be FUD.
Not about RFI, but I'd be interested in seeing actual data about this.
My comment about insurance omitted the word "fire," and it is well known
by those in the industry. UL and other NRTLs test for electrical safety
and fire safety, as required by NEC. NEC is a guideline code, written
and maintained by highly qualified engineers in multiple disciplines,
and is adopted by nearly all AHJs (Authorities Having Jurisdiction) in
each city or county. A few cities (New York, Chicago, Pittsburgh, Los
Angeles) have historically had their own Codes, which are quite similar
to NEC. In some cases, they are strongly influenced by Electrical trade
unions to make more work for electricians. For example, Chicago, where I
lived and worked at the time, required all wiring in steel conduit.
Does the NEC prohibit bringing a non-listed device into a home and
plugging it in? Something like a cellphone charger? If so I'd like to
see a specific reference.
Read the NEC. It's there. In my professional life, I designed and
specified sound systems for public buildings, and non-listed devices
that plugged into the power line got the project red-tagged at inspection.
73, Jim K9YC
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