Regulation No. 37-03 Proposed Supplement 45

Name:Regulation No. 37-03 Proposed Supplement 45
Description:Filament Lamps. Proposed Supplement 45 to the 03 Series.
Official Title:Proposal for Supplement 45 to the 03 Series of Amendments to Regulation No. 37 (Filament Lamps).
Country:ECE - United Nations
Date of Issue:2016-08-31
Amendment Level:Original
Number of Pages:25
Vehicle Types:Agricultural Tractor, Bus, Car, Component, Heavy Truck, Light Truck, Motorcycle, Trailer
Subject Categories:Drafts and Proposals (Current)
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Keywords:

filament, light, approval, sources, source, type, regulation, annex, test, production, requirements, relevant, paragraph, colour, mark, results, tests, manufacturer, approved, bulb, voltage, conformity, case, characteristics, data, emitting, table, category, number, luminous, white, authority, limits, granted, axis, minimum, grouping, amendments, standard, position, trade, technical, application, centre, made, filaments, qualifying, series, code, sheets

Text Extract:

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ECE/TRANS/WP.29/2016/76
PROPOSAL FOR SUPPLEMENT 45 TO THE 03 SERIES OF
AMENDMENTS TO
REGULATION NO. 37
(FILAMENT LAMPS)
ADOPTED AT THE 170 SESSION – NOVEMBER 2016
PROVISIONAL DATE OF ENTRY INTO FORCE: JUNE 22, 2017

REGULATION NO. 37
UNIFORM PROVISIONS CONCERNING THE APPROVAL OF FILAMENT LIGHT SOURCES
FOR USE IN APPROVED LAMPS OF POWER-DRIVEN VEHICLES AND OF THEIR TRAILERS
1. SCOPE
This Regulation applies to filament light sources shown in Annex 1 and intended for use in
approved lamps of power-driven vehicles and of their trailers.
2. ADMINISTRATIVE PROVISIONS
2.1. Definitions
2.1.1. Definition of "category"
The term "category" is used in this Regulation to describe different basic design of
standardised filament light sources. Each category has a specific designation, as for
example: "H4", "P21W", "T4W", "PY21W"or "RR10W".
2.1.2. Definition of "type"
Filament light sources of different "types" are filament light sources within the same
category which differ in such essential respects as:
2.1.2.1. Trade name or mark (Filament light sources bearing the same trade name or mark but
produced by different manufacturers are considered as being of different types. Filament
light sources produced by the same manufacturer differing only by the trade name or mark
may be considered to be of the same type);
2.1.2.2. Bulb design and/or cap design, in so far as these differences affect the optical results;
2.1.2.3. Rated voltage;
2.1.2.4. Halogen.
2.2. Application for Approval
2.2.1. Application for approval shall be submitted by the owner of the trade name or mark, or by
his duly accredited representative.
2.2.2. Every application for approval shall be accompanied (see also Paragraph 2.4.2.) by:
2.2.2.1. Drawings in triplicate, sufficiently detailed to permit identification of the type;
2.2.2.2. A brief technical description; this shall include the shape of the filament if the relevant light
source sheet specifies that a straight or V-shaped filament is allowed;

2.4.2. An approval code shall be assigned to each type approved. Its first character (at present 2,
corresponding to the 02 series of amendments which entered into force on October 27,
1983 and to the 03 series of amendments (not requiring changes in the approval number),
which entered into force on June 1, 1984) shall indicate the series of amendments
incorporating the most recent major technical amendments made to the Regulation at the
time of issue of the approval. This will be followed by an identification code comprising not
more than three characters. Only the Arabic numerals and capital letters listed in footnote
shall be used. The same Contracting Party may not assign the same code to another type of
filament light source. Notice of approval or of extension or refusal or withdrawal of approval
or production definitively discontinued of a type of filament light source pursuant to this
Regulation shall be communicated to the Parties of the Agreement which apply this
Regulation by means of a form conforming to the model in Annex 2 to this Regulation and of
a drawing, supplied by the applicant for approval in a format not exceeding A4
(210 × 297mm) and on a scale of at least 2:1. If the applicant so desires, the same approval
code may be assigned to the filament light source emitting white light and to the filament
light source emitting selective-yellow light (see Paragraph. 2.1.2.3.).
2.4.3. To every filament light source conforming to a type approved under this Regulation there
shall be affixed in the space referred to in Paragraph 2.3.1.5., in addition to the inscriptions
required under Paragraph 2.3.1., an international approval mark consisting of:
2.4.3.1. A truncated circle surrounding the letter "E" followed by the distinguishing number of the
country which has granted approval ;
2.4.3.2. The approval code, placed close to the truncated circle.
2.4.4. If the applicant has obtained the same approval code for several trade names or marks, one
or more of them will suffice to meet the requirements of Paragraph 2.3.1.1.
2.4.5. The marks and inscriptions specified in Paragraphs 2.3.1. and 2.4.3. shall be clearly legible
and be indelible.
2.4.6. Annex 3 to this Regulation gives an example of arrangement of the approval mark.
3. TECHNICAL REQUIREMENTS
3.1. Definitions
The definitions given in Resolution [R.E.4] or its subsequent revisions, applicable at the
time of application for type approval shall apply.

3.5. Filament Position and Dimensions
3.5.1. The geometric shapes of the filament shall in principle be as specified on the filament light
source data sheets of Annex 1.
3.5.2. For line filaments the correct position and shape shall be checked as specified in the
relevant data sheets.
3.5.3. If the filament is shown on the filament light source data sheet in at least one view as a
point, the position of the luminous centre shall be determined in conformity with Annex 4.
3.5.4. The length of a line filament shall be determined by its ends, defined – unless otherwise
specified on the relevant data sheet – as the apices of the first and the last filament turn as
seen in projection perpendicular to the reference axis of the filament light source. Such an
apex shall comply with the requirement that the angle formed by the legs shall not exceed
90°. In the case of coiled-coil filaments the apices of the secondary turns shall be taken into
account. Apices outside the point of connection to the current lead-in legs shall be
disregarded for the determination of the filament length.
3.5.4.1. For axial filaments the extreme position of the apices considered shall be determined by
rotating the filament light source about its reference axis. The length shall then be measured
in a direction parallel to the reference axis.
3.5.4.2. For transverse filaments the filament axis shall be placed perpendicular to the direction of
projection. The length shall be measured in a direction perpendicular to the reference axis.
3.6. Colour
3.6.1. The colour of the light emitted by the filament light source shall be white unless otherwise
specified on the relevant data sheet.
3.6.2. The definitions of the colour of the light emitted, given in Regulation No. 48 and its series of
amendments in force at the time of application for type approval, shall apply to this
Regulation.
3.6.3. The colour of the light emitted shall be measured by the method specified in Annex 5. Each
measured value shall lie within the required tolerance area . Moreover, in the case of
filament light sources emitting white light, the measured values shall not deviate more than
0.020 unit in the x and/or y direction from a point of choice on the Planckian locus
(CIE 015:2004, 3rd edition). Filament light sources for use in light signalling devices shall
meet the requirements as specified in Paragraph 2.4.2. of IEC Publication 60809, Edition 3.

3.9.3. For 6V and 24V Filament Light Sources Emitting White Light:
The sample which most nearly conforms to the nominal dimension values shall be tested in
a standard headlamp as specified in Paragraph 3.9.5. and it shall be verified whether the
assembly comprising the aforesaid headlamp and the filament light source being tested
meets the light-distribution requirements laid down for the passing beam in the relevant
Regulation. Deviations not exceeding 10% of the minimum values will be acceptable.
3.9.4. Filament light sources emitting selective-yellow light shall be tested in the same manner as
described in Paragraphs 3.9.2. and 3.9.3. in a standard headlamp as specified in
Paragraph 3.9.5. to ensure that the illumination complies with at least 85% for 12V filament
light sources, and at least 77% for 6V and 24V filament light sources, with the minimum
values of the light-distribution requirements laid down for the passing beam in the relevant
Regulation. The maximum illumination limits remain unchanged.
In the case of a filament light source having a selective-yellow bulb, this test shall be left out
if the approval is also given to the same type of filament light source emitting white light.
3.9.5. A headlamp shall be deemed to be a standard headlamp if:
3.9.5.1. It satisfies the pertinent conditions of approval;
3.9.5.2. It has an effective diameter of not less than 160mm;
3.9.5.3. With a standard filament light source it produces at the various points and in the various
zones specified for the headlamp type concerned, illumination equal to:
3.9.5.3.1. Not more than 90% of the maximum limits;
3.9.5.3.2. Not less than 120% of the minimum limits prescribed for the headlamp type concerned.
3.10. Standard Filament Light Sources
Additional requirements for standard (étalon) filament light sources are given on the relevant
data sheets of Annex 1.
Bulbs of standard (étalon) filament light sources emitting white light shall not alter the CIE
trichromatic coordinates of a luminous source having a colour temperature of 2,856K by
more than 0.010 units in the x and/or y direction.
For standard (étalon) filament light sources emitting amber or red light, changes of the bulb
temperature shall not affect the luminous flux which might impair photometric
measurements of signalling devices.
4. CONFORMITY OF PRODUCTION
4.1. Filament light sources approved to this Regulation shall be so manufactured as to conform
to the type approved by meeting the inscriptions and technical requirements set forth in
Paragraph 3. above and Annexes 1, 3 and 4 to this Regulation.
4.2. In order to verify that the requirements of Paragraph 4.1. are met, suitable controls of the
production shall be carried out.

5.2. If a Contracting Party to the Agreement applying this Regulation withdraws an approval it
has previously granted, it shall forthwith so notify the other Contracting Parties applying this
Regulation, by means of a communication form conforming to the model in Annex 2 to this
Regulation.
6. PRODUCTION DEFINITIVELY DISCONTINUED
If the holder of the approval completely ceases to manufacture a type of filament light
source approved in accordance with this Regulation, he shall so inform the Type Approval
Authority which has granted the approval. Upon receiving the relevant communication, that
Type Approval Authority shall inform thereof the other Parties to the 1958 Agreement
applying this Regulation by means of a communication form conforming to the model in
Annex 2 to this Regulation.
7. NAMES AND ADDRESSES OF THE TECHNICAL SERVICES RESPONSIBLE FOR
CONDUCTING APPROVAL TESTS AND OF TYPE APPROVAL AUTHORITIES
The Parties to the 1958 Agreement which apply this Regulation shall communicate to the
United Nations secretariat the names and addresses of the Technical Services responsible
for conducting approval tests and of the Type Approval Authorities which grant approval and
to which forms certifying approval or extension or refusal or withdrawal of approval, or
production definitively discontinued issued in other countries, are to be sent.
8. TRANSITIONAL PROVISIONS
8.1. Approvals granted under the preceding series of amendments shall remain valid, except
that for conformity of production, current production filament light sources shall comply with
the requirements of the latest series of amendments starting 12 months from the date of
application of this amendment.
8.2. The correspondence between the former designations and the new ones is indicated in the
following table:
Old designations
New designations in the 03 series of
amendments
P25-1 P21W
P25-2 P21/5W
R19/5 R5W
R19/10 R10W
C11
C15
C5W
C21W
T8/4 T4W
W10/5 W5W
W10/3 W3W

ANNEX 2
COMMUNICATION
(Maximum format: A4 (210 × 297mm))
Issued by:
Name of administration
.....................................
.....................................
.....................................
Concerning:
Approval granted
Approval extended
Approval refused
Approval withdrawn
Production definitively discontinued
of a type of filament light source pursuant to Regulation No. 37
Approval No. ........................................................... Extension No. .....................................................
1. Trade name or mark of the device: ......................................................................................................
2. Manufacturer's name for the type of device: ........................................................................................
3. Manufacturer's name and address: ......................................................................................................
4. If applicable, name and address of manufacturer's representative: ....................................................
5. Submitted for approval on: ...................................................................................................................
6. Technical Service responsible for conducting approval tests: .............................................................
7. Date of report issued by that Service: ..................................................................................................
8. Number of report issued by that Service: .............................................................................................

ANNEX 3
EXAMPLE OF THE ARRANGEMENT OF THE APPROVAL MARK
(See Paragraph 2.4.3)
The above approval mark affixed to a filament light source indicates that the light source has been
approved in the United Kingdom (E 11) under the approval code A01.
The first character of the approval code indicates that the approval was granted in accordance with the
requirements of Regulation No 37 as amended by the 02 and 03 series of amendments.

ANNEX 5
CHECKING THE COLOUR OF FILAMENT LIGHT SOURCES
1. GENERAL
1.1. Measurements shall be made on finished light sources. Filament light sources with
secondary (outer) bulb acting as colour filter shall be handled as filament light source with
primary bulb.
1.2. Tests shall be made at an ambient temperature of 23°C ± 5°C.
1.3. Tests shall be made at test voltage(s) as specified in the relevant filament light source data
sheet.
1.4. Filament light sources shall be measured preferably in the normal operating position. In
case of dual filament light sources the high wattage (major or driving beam) filament shall be
operated only.
1.5. Before starting a test, the stabilisation of the temperature of the filament light source shall be
obtained by operating at test voltage for 10min. In the case of filament light sources, for
which more than one test voltage is specified, the relevant test voltage value shall be used
for achieving stabilization.
2. COLOUR
2.1. Colour tests shall be made with a measuring system that determines CIE trichromatic
co-ordinates of the received light with an accuracy of ±0.002.
2.2. The trichromatic coordinates shall be measured with a colourimetric receiver integrating
over a right circular cone subtending an angle of minimum 5° and maximum 15°, at the
centre of the filament.
2.3. Measuring Directions (see the figure below).
2.3.1. Initially, the receiver shall be positioned perpendicular to the filament light source axis and to
the filament axis (or plane in case of a curved filament). After measurement the receiver
shall be moved around the filament light source in bi-directional steps of about 30° until the
area specified in Paragraphs 2.3.2. or 2.3.3. is covered. In each position a measurement
shall be made. However, no measurement shall be made when:
(a)
(b)
The centreline of the receiver coincides with the filament axis; or
The line of sight between the receiver and the filament is blocked by opaque
(non-transmitting) parts of the light source, such as lead wires or a second filament, if
any.
2.3.2. For filament light sources used in headlamps, measurements shall be made in directions
around the filament light source with the centreline of the receiver aperture located within an
angle ±30°, from the plane perpendicular to the filament light source axis with the origin in
the centre of the filament. In case of filament light sources with two filaments, the centre of
the driving beam filament shall be taken.

ANNEX 6
MINIMUM REQUIREMENTS FOR QUALITY CONTROL PROCEDURES
BY THE MANUFACTURER
1. GENERAL
The conformity requirements shall be considered satisfied from a photometric, geometrical,
visual and electrical standpoint if the specified tolerances for production filament light sources
in the relevant data sheet of Annex 1 and the relevant data sheet for the caps are met.
2. MINIMUM REQUIREMENTS FOR VERIFICATION OF CONFORMITY BY THE
MANUFACTURER
For each type of filament light source the manufacturer or the holder of the approval mark shall
carry out tests, in accordance with the provisions of this Regulation, at appropriate intervals.
2.1. Nature of Tests
Tests of conformity of these specifications shall cover their photometric, geometrical and optical
characteristics.
2.2. Methods Used in Tests
2.2.1. Tests shall generally be carried out in accordance with the methods set out in this Regulation.
2.2.2. The application of Paragraph 2.2.1. requires regular calibration of test apparatus and its
correlation with measurements made by a Type Approval Authority.
2.3. Nature of Sampling
Samples of filament light sources shall be selected at random from the production of a uniform
batch. A uniform batch means a set of filament light sources of the same type, defined
according to the production methods of the manufacturer.
2.4. Inspected and Recorded Characteristics
The filament light sources shall be inspected and test results recorded following the grouping of
characteristics as listed in Annex 7, Table 1.
2.5. Criteria Governing Acceptability
The manufacturer or the holder of approval is responsible for carrying out a statistical study of
the test results in order to meet the specifications laid down for verification of conformity of
production in Paragraph 4.1. of this Regulation.
Compliance shall be assured if the level of acceptable non-compliance per grouping of
characteristics given in Table 1 of Annex 7 is not exceeded. This means that the number of
filament light sources not complying with the requirement for any grouping of characteristics of
any filament light source type does not exceed the qualifying limits in the relevant Tables 2, 3
or 4 of Annex 7.
Note: Each individual filament light source requirement shall be considered as a characteristic.

Qualifying limits for acceptance based on different numbers of test results for each grouping of
characteristics are listed in Table 2 as maximum number of non-compliance. The limits are based on an
acceptable level of 1% of non-compliance, assuming an acceptance probability of at least 0.95.
Table 2
Number of test results of each
characteristics
Qualifying limits for acceptance
20

Qualifying limits for acceptance based on different numbers of test results for each grouping of
characteristics are listed in Table 4 given as a percentage of the results, assuming an acceptance
probability of at least 0.95.
Number of test
results of each
characteristic
Table 4
Qualifying limits shown as a percentage
of results.
Acceptable level of 1% of
non-compliance
Qualifying limits shown as a percentage
of results.
Acceptable level of 6.5% of
non-compliance
1,250 1.68 7.91
2,000 1.52 7.61
4,000 1.37 7.29
6,000 1.30 7.15
8,000 1.26 7.06
10,000 1.23 7.00
20,000 1.16 6.85
40,000 1.12 6.75
80,000 1.09 6.68
100,000 1.08 6.65
1,000,000 1.02 6.55

ANNEX 9
COMPLIANCE APPROVED BY SPOT CHECK
Compliance approved or disapproved shall be decided according to the values in Table 1. For each
grouping of characteristics filament light sources shall be either accepted or rejected according to the
values in Table 1.
Table 1
1% 6.5%
Accept Reject Accept Reject
First sample size: 125 2 5 11 16
If the number of non-conforming units is greater
than 2 (11) and less than 5 (16) take a second
sample size of 125 and assess the 250
6 7 26 27
"
Filament Lamps. Proposed Supplement 45 to the 03 Series.