Directive 94/9/EC: ExNBG Clarification Sheets noted by the ATEX Standing Committee
The public will want to be aware that the following Clarification Sheets are not legally binding but are references agreed by the European ATEX Notified Bodies Group (ExNBG) in order to minimise divergent interpretation by Notified Bodies of the technical requirements of the ATEX Directive 94/9/EC.
See also the Consideration Paper: ExNBG Clarification Sheets: Status and use.
A number of the earlier sheets may have been superseded by adaptations to technical progress or further discussions but are considered relevant until they are withdrawn by the ExNBG.
The European Commission services do not assume responsibility for the content of the afore mentioned documents.
All documents are in PDF format
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ExNB/98/001/CS |
Certification of a Torch according to: EN 50020:1977 clauses 9 and 9.4.12 or EN 50020:1994 clauses 10 and 10.4.2 |
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ExNB/98/006/DS |
Conformity to type Notification Format (ATEX Directive Annex VI) |
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ExNB/98/007/CS |
EN 50019:1994 - Internal contacts on zoned heating tapes |
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ExNB/98/010/CS |
Minimum requirement for THREAD ENGAGEMENT/NPT Cable Entry Holes in Flameproof Apparatus to EN 50018 |
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ExNB/99/014/CS |
EN 50020:1977 sub-clause 7.2 and EN 50020:1994 sub-clause 7.4 - Voltage source of EEPROMs etc. |
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ExNB/99/015/CS |
EN 50020:1977 sub-clause 7.2 and EN 50020:1994 sub-clause 12.2 - "EEX ib" |
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ExNB/99/016/CS |
EN 50020:1977 and EN 50020:1994 - Marking of apparatus with alternative protection "d" or "i" |
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ExNB/99/017/CS |
EN 50020:1977 and EN 50020:1994 sub-clause 6.4.6 - Calculation of multiple separation distances |
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ExNB/99/018/CS |
EN 50020:1977 sub-clause 5.5 and EN 50020:1994 sub-clause 6.4.1 - Separation for insulated components |
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ExNB/00/020/CS |
EC-Type Examination for Category 3 products |
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ExNB/00/023/CS |
Recommendations on the measurement of the maximum temperature of light transmitting parts of products intended for use in potentially explosive atmospheres using thermocouples |
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ExNB/00/024/CS |
EN 50020:1994, clause 6.5 "Protection against polarity reversal" |
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ExNB/00/025/CS |
Short Temperature Rise of Ex p Motors during Starting |
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ExNB/00/026/CS |
The standard wording of Article 11 of the EC-Type Examination Certificate shall be changed as follows |
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ExNB/00/029/CS |
EN 50014:1977 clause 7 and EN 50014:1992 Clause 8, Light Alloys in Group I Apparatus |
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ExNB/00/031/CS |
EN 50018:1977 Clause 4.1.3 and EN 50018:1994 Clause 5.2.3, Rectangular Spigot Joints |
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ExNB/00/033/CS |
EN 50028:1987 Clause 4.1.2 Internal Voids |
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ExNB/00/034/CS |
Procedural - Ex-components indication of the temperature class in the marking |
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ExNB/00/035/CS |
Certificate of Conformity of a flameproof enclosure containing different components |
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ExNB/00/037/CS |
EN 50014:1977 Clause 13 and EN 50014:1992 Clause 15 Earthing of Traction Batteries |
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ExNB/00/038/CS |
Procedural - Group I component certificates marked with the epsilon-x in the same way as Group II |
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ExNB/00/039/CS |
EN 50018:1977 Clause 14 and EN 50018:1994 Clause 15, Heating Cables |
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ExNB/00/041/CS |
EN 50019:1977 Clause 4.6.1.5 and EN 50019:1994 Clauses 5.6.1.5 & 5.6.2.1 Materials used inside Battery Containers |
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ExNB/00/042/CS |
EN 50018:1977 Clause 6 and EN 50018:1994 Clause 7, Wear -Push Rods and Spindles in Flameproof Enclosures |
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ExNB/00/045/CS |
EN 50018:1977 Clause 12.1 and EN 50018:1994 Annex C, Cable Entry Seal Under Tension |
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ExNB/00/046/CS |
EN 50018:1977 Clause 3 and EN 50018:1994 Clause 4 T Class for EEx d Motors |
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ExNB/00/047/CS |
EN 50014:1977 Clause 7 and EN 50014: 1994 Clause 8, Light Alloys |
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ExNB/00/048/CS |
EN 50018:1977 Clause 10 and EN 50018:1994 Clause 11, Non ISO Threads |
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ExNB/00/049/CS |
EN 50014:1992 Clause 13 Interchangeablity of Group I and Group II Components |
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ExNB/00/051/CS |
EN 50019:1977 Ventilation and IPX3 Testing of Batteries |
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ExNB/00/052/CS |
EN 50019:1977, Dielectric Strength Tests for Junction Boxes |
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ExNB/00/053/CS |
EN 50014:1977 Clause 6.3 and EN 50014:1992 Clause 7.3.2, Electrostatic Hazard |
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ExNB/00/054/CS |
EN 50014:1977 clause 16 & EN 50014:1992 clause 17 - Fans |
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ExNB/00/055/CS |
Cables ends or cables between parts of apparatus for types of protection other than intrinsic safety |
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ExNB/00/056/CS |
EN 50018:1977 Clause 3 and EN 50018:1994 Clause 14, Frequency Converters and EEx d Motors |
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ExNB/00/059/CS |
Transformation of a HOTL decision 48.08 retained with ExNB/98/608 letter of May 15, 1996 into a ExNB clarification sheet. (Standard, No. 50018 Clause 14) |
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ExNB/99/060/CS |
Plastic parts, on which the safety of type of protection "Flameproof Enclosure" depends |
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ExNB/99/061/CS |
EN 50018 - Are flexible walls acceptable as parts of flameproof enclosures? Under which conditions? |
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ExNB/98/063/CS |
Test for cells and batteries; EN 50020:1994; 10.9 |
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ExNB/98/064/CS |
EN 50020:1994 - Rating of components related to associated apparatus with galvanic isolation. Reference HOTL (95)CESI/001 |
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ExNB/98/066/CS rev.1 |
EN 50020:1994 sub-clause 6.4.7 and 6.4.8 - Verification of CTI for 'i' |
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ExNB/99/069/CS |
EN 50018:1994 - Gas analysis performed within a flameproof enclosure |
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ExNB/99/071/CS |
(Assessment Schedule - Clause 3.3 of Annex IV and Annex VII) |
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ExNB/99/074/CS |
Impact test of non metallic enclosures (or enclosure parts) |
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ExNB/99/075/CS |
Marking of associated apparatus according to EN 50020 |
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ExNB/99/080/CS |
Proposal to modify the standard wording on EC-Type Examination Certificates |
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ExNB/99/082/CS |
Instructions and EC-type examination |
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ExNB/99/084/CS |
Apparatus with a measuring function for explosion protection where a part is situated in an explosive atmosphere |
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ExNB/99/086/CS |
Handling and storage of the dossier for non-electrical equipment category M2 and 2 according to Annex VIII, paragraph 3 |
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ExNB/00/093/CS |
Flame arresters (Autonomous Protective Systems) assessment of test results obtained under instable detonation conditions |
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ExNB/00/095/CS |
Structure of and requirements for EC-Type Examination Certificates of flame arresters |
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ExNB/01/101/CS |
Ex e temperature rise test according to EN 50014 and EN 50019 standards concerning electrical motors |
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ExNB/01/105/CS |
EC-type examination of gas detectors incorporating a measuring function for explosion protection |
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ExNB/01/106/CS |
EC-type examination of gas detectors incorporating a measuring function for explosion protection |
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ExNB/01/107/CS |
Guidelines on the management of assessment and surveillance programmes for products covered by Annex IV and VII of the ATEX Directive 94/9/EC |
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ExNB/02/110/P |
Requirements and test procedure for heating equipment of explosion venting devices |
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ExNB/02/111/CS |
Equipment with connections between areas covered by directive 94/9/EC and areas with high pressure |
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ExNB/02/112/CS |
EC-type examination of gas detectors incorporating a measuring function for explosion protection |
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ExNB/02/113/CS |
EC-type examination and supervision of production for gas detectors incorporating a measuring function for explosion protection |
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ExNB/02/114/CS |
Distribution, availability and definition of the Relevant information to be communicated to other notified bodies following issue or withdrawal of EC-type Examination Certificates, Production QA Notification Certificates and Product QA Notification Certificates |
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ExNB/00/124/CS |
EN 50019:1977 Ex "e" rated voltage windings |
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ExNB/00/125/CS |
EN 50020:1977 and EN 50020:1994 - T-class for small coils |
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ExNB/00/126/CS |
EN 50028:1987 Clause 6.2.1, Rated Voltage and External fault conditions |
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ExNB/00/127/CS |
EN 50014:1977 Clause 22.4.3 and EN 50014:1992 Clause 23.4.3, Guards for Light Transmitting Parts |
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ExNB/00/128/CS |
EN 50018:1977 Clause 8 and EN 50018:1994 Clause 9, Glass Windows Directly Fused into the Metallic Housing |
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ExNB/00/129/CS |
EN 50019:1977 Trace Heating Tapes |
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ExNB/00/130/CS |
EN 50028:1987 Clause 8.1.4 Permitted Prospective Short Circuit Current |
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ExNB/03/131/CS |
Equipment with a measuring function for explosion protection, drop test for remote sensors of fixed apparatus |
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ExNB/03/132/CS |
Equipment with a measuring function for explosion protection, High gas concentrations above the measuring range |
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ExNB/03/133/CS |
Equipment with a measuring function for explosion protection, Battery capacity |
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ExNB/03/134/CS |
Equipment with a measuring function for explosion protection, examination of catalytic sensors of portable multigas apparatus |
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ExNB/04/160/CS |
Radio Frequency Power Limitation |
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ExNB/04/161/CS |
Instructions for high volume, low value equipment |
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ExNB/04/170/CS |
Control units for gas warning equipment |
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ExNB/05/190/CS |
Fluorescent lamps in Ex-luminaires |
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ExNB/07/264/CS |
Content of technical documentation |
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ExNB/07/265/CS |
Scope of EN 13980 in addressing Annex IV and VII |
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ExNB/07/266/CS |
Application of the latest technical knowledge |
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ExNB/07/267/CS |
Structure of and requirements for EC-Type Examination Certificates for flame arresters |
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ExNB/07/268/CS |
Proposal for amendment to Annex of EN 13980 |
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ExNB/07/269/CS |
Proposal for amendment to Annex of EN 13980 |
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ExNB/07/282/CS |
Ex q faults and overloads |
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ExNB/07/283/CS |
IP Testing of Enclosures with non-metallic parts (gaskets) |
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ExNB/09/338/CS |
Instructions and year of manufacture |
ExNB/10/388/CS  [69 KB] |
Significant changes between European Standards and the previous editions |
| ExNB/10/397/CS [35 KB] |
A practical application of (the revised) 10.3 of the ATEX Guidelines |
| ExNB/11/400/CS [35 KB] |
Content of an European standardised ATEX Test Report |
