Jim,

Look at 15.103 Exempted devices.

I would interpret it that the FCC does not require testing, not that
they do not have jurisdiction over such devices.  The exemption is only
for Part 15 Subpart B, it is possible a device may require FCC
approval/compliance under another part.  Such as ISM equipment under
Part 18.

Looking at 15.5, exempted devices are not allowed to cause interference.

Michael Peters


From: [email protected] [mailto:[email protected]] On Behalf
Of Jim Eichner
Sent: Tuesday, July 12, 2005 1:08 PM
To: EMC-PSTC - Forum
Subject: FCC jurisdiction

I thought there was wording in CFR title 47 Part 15B that stated or
implied that the FCC's jurisdiction over unintentional radiators was
limited to those used in buildings, fixed installations etc.  For
example, the FCC doesn't (as far as I know) have jurisdiction over RF
emissions from engines in gas-operated lawn mowers or from
electric-winches on sailboats etc.

I looked around Part 15B and couldn't find this, even though I'm fairly
sure I did find it years ago.  Does anybody know if there is such a
scope limitation, or if there used to be and it got deleted?  If it does
exist, where is it?

Thanks in advance for your help,
Jim Eichner, P.Eng.
Compliance Engineering Manager
Xantrex Technology Inc.
e-mail: [email protected]
web: www.xantrex.com
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