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FMVSS No. 108: |
| Replaceable
Light Source |
| A replaceable light
source is defined in FMVSS No. 108 as an assembly of
a capsule, base, and terminals that is designed to
conform to the requirements of Appendix A or
Appendix B of Part 564 - Replaceable Light Source
Information of Chapter V, Title 49 United States
Code (U.S.C.). |
| FMVSS
No. 108 requirements |
| Replaceable light
sources are regulated by FMVSS No. 108. The
requirements are specified in paragraph S7.7
which states, in part, that the light source must be
designed to conform to the dimensional and
electrical specifications pursuant to Code of
Federal Regulations Title 49, Part 564- Replaceable
Light Source Information. |
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Part 564: |
| Part
564- Replaceable Light Source Information |
| The purpose of Part
564 is to ensure that replaceable light sources are
interchangeable with original equipment light
sources and provide equivalent performance, and to
ensure that redesigned or newly developed light
sources are designated as distinct, different, and
noninterchangeable with previously existing light
sources. |
| Part
564 Submissions |
| Section § 564.5
requires each manufacturer of a motor vehicle,
original equipment headlamp, or original equipment
replaceable light source, which intends to
manufacture a replaceable light source as original
equipment or to incorporate a replaceable light
source in its headlamps or motor vehicles, to
furnish the information
specified in the applicable appendix of part
564. Upon acceptance of the submission by
NHTSA, the information is filed in the DOT
Docket Management System, Docket No. NHTSA
98-3397. A tabulated summary of the docket can
be found here. |
| Part 564 submissions
must be filed in the docket by NHTSA prior to
the manufacturer offering the new or modified light
source for sale. |
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Modifications
to Part 564 (§ 564.5(d)) |
| Any motor vehicle,
original equipment headlamp, or original equipment
replaceable light source manufacturer, may modify
existing light source designs as long as they certify
that use of the modified light source will
not create a noncompliance of the standard
when used to replace an unmodified light source in a
headlamp certified by its manufacturer as conforming
to the standard. |
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