|The Federal Communications Commission (FCC) is the authority
in the United States of America that creates and enforces the use of airwaves throughout the entire
radio frequency spectrum. This group of documents contains the entirety of the
FCC Part 15 regulations
that concern unlicensed radio frequency devices. As with all government documents, this material
is in the public domain and may be freely copied so long as the content is not changed. This copy
is provided as a convenience for RF Cafe visitors.
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Table of Contents.
[Code of Federal Regulations]
[Title 47, Volume 1]
[Revised as of October 1, 2008]
From the U.S. Government Printing Office via GPO Access
CHAPTER I--FEDERAL COMMUNICATIONS COMMISSION
PART 15_RADIO FREQUENCY DEVICES--Table of Contents
Subpart B_Unintentional Radiators
Sec. 15.102 CPU boards and power supplies used in personal computers.
(a) Authorized CPU boards and power supplies that are sold as
separate components shall be supplied with complete installation
instructions. These instructions shall specify all of the installation
procedures that must be followed to ensure compliance with the
standards, including, if necessary, the
type of enclosure, e.g., a metal enclosure, proper grounding techniques,
the use of shielded cables, the addition of any needed components, and
any necessary modifications to additional components.
(1) Any additional parts needed to ensure compliance with the
standards, except for the enclosure, are considered to be special
accessories and, in accordance with Sec. 15.27, must be marketed with
the CPU board or power supply.
(2) Any modifications that must be made to a personal computer,
peripheral device, CPU board or power supply during installation of a
CPU board or power supply must be simple enough that they can be
performed by the average consumer. Parts requiring soldering,
disassembly of circuitry or other similar modifications are not
(b) Assemblers of personal computer systems employing modular CPU
boards and/or power supplies are not required to test the resulting
system provided the following conditions are met:
(1) Each device used in the system has been authorized as required
under this part (according to Sec. 15.101(e), some subassemblies used
in a personal computer system may not require an authorization);
(2) The original label and identification on each piece of equipment
(3) Each responsible party's instructions to ensure compliance
(including, if necessary, the use of shielded cables or other
accessories or modifications) are followed when the system is assembled;
(4) If the system is marketed, the resulting equipment combination
is authorized under a Declaration of Conformity pursuant to Sec.
15.101(c)(4) and a compliance information statement, as described in
Sec. 2.1077(b), is supplied with the system. Marketed systems shall
also comply with the labelling requirements in Sec. 15.19 and must be
supplied with the information required under Sec. Sec. 15.21, 15.27 and
(5) The assembler of a personal computer system may be required to
test the system and/or make necessary modifications if a system is found
to cause harmful interference or to be noncompliant with the appropriate
standards in the configuration in which it is marketed (see Sec. Sec.
2.909, 15.1, 15.27(d) and 15.101(e)).
[61 FR 31050, June 19, 1996]