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FCC Part 15 Radio Frequency Devices
Section 15.102

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. 

Click here for the 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
[CITE: 47CFR15.102]
[Page 766-767]
                       TITLE 47--TELECOMMUNICATION
                    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
[[Page 767]]
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 
remain unchanged;
    (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 
15.105; 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]

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