SIST EN 2283:2012

• Abstract:

  This European Standard specifies:; - the tests for finished wiring, including connectors and, if necessary, terminals, terminal ends, junction boxes, circuit breakers, etc.;; - these tests do not concern equipment installed in the aircraft (see operation of systems and do not apply to the wiring used instrumentation;; - the requirements for verification of aircraft electrical wiring;; - continuity of circuits;; - dielectric strength;; - insulation resistance.

• Status: Published
• Publication Date: 27-Nov-2011
• ICS: 49.060 - Aerospace electric equipment and systems
• Technical Committee: I13 - Imaginarni 13
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 24-Nov-2011
• Due Date: 29-Jan-2012
• Completion Date: 28-Nov-2011
• Ref Project: EN 2283:2010 - Aerospace series - Testing of aircraft wiring

• Replaces: SIST EN 2283:2001 - Aerospace series - Testing of aircraft wiring
• Effective Date: 01-Jan-2012
• Refers: SIST IEC 60050-461:2017 - International Electrotechnical Vocabulary - Part 461: Electric cables
• Effective Date: 25-Aug-2026
• Refers: SIST EN IEC 61557-2:2022 - Electrical safety in low voltage distribution systems up to 1 000 V a.c. and 1 500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 2: Insulation resistance (IEC 61557-2:2019)
• Effective Date: 09-Feb-2026
• Refers: SIST EN IEC 61557-4:2022 - Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing, measuring or monitoring of protective measures - Part 4: Resistance of earth connection and equipotential bonding (IEC 61557-4:2019)
• Effective Date: 09-Feb-2026
• Refers: SIST EN 20287:2000 - Paper and board - Determination of moisture content - Oven-drying method (ISO 287:1985)
• Effective Date: 28-Jan-2026
• Refers: SIST EN 2282:2001 - Aerospace series - Characteristics of aircraft electrical supplies
• Effective Date: 28-Jan-2026
• Revised: kSIST FprEN 2283:2026 - Aerospace series - Testing of aircraft wiring
• Effective Date: 08-Apr-2024

SIST EN 2283:2012 is the Slovenian adoption of EN 2283:2010 in the aerospace series. It specifies how aircraft wiring is tested for continuity, dielectric strength, and insulation resistance, so manufacturers, installers, and inspectors can verify finished wiring before installation and after installation, repair, or modification.

What does SIST EN 2283:2012 specify?

SIST EN 2283:2012 covers tests for finished aircraft wiring, including connectors and, where needed, terminals, terminal ends, junction boxes, and circuit breakers. It applies to aircraft electrical wiring verification, but not to equipment installed in the aircraft or to wiring used for instrumentation.

The document is organized into Clause 1 Scope, Clause 2 Normative references, Clause 3 Terms and definitions, Clause 4 Tests, Clause 5 Procedures, Clause 6 Requirements, and Clause 7 Test report. Clause 5 uses Table 1 for wiring categories and Table 2 for the test conditions used before installation and on assembled and installed bundles.

What are the key requirements of SIST EN 2283:2012?

SIST EN 2283:2012 sets out three core checks - continuity, dielectric strength, and insulation resistance - and ties each one to a defined procedure and test condition. In practice, the standard tells you what to test, when to test it, what test equipment to use, and what to record.

General test conditions

Clause 4.1 says national safety regulations shall be observed, and the tests may be manual or automatic. The test shall stop as soon as a fault is detected, or the fault shall be stored, and readings shall be taken only after stabilization. For users, this means the test setup must protect the wiring and capture reliable results, not just apply voltage.

Continuity testing

Clause 4.2 uses continuity testing to confirm that cables, bundles, and their connections match the design documents. The test voltage shall not exceed 28 V, and the equipment shall comply with EN 61557-4. In practice, this is a low-stress check that the intended circuit path is actually intact.

Dielectric strength testing

Clause 4.3 uses dielectric strength testing to show that the insulation can withstand the operating voltage limits given in EN 2282. The voltage rise or fall shall be controlled, leakage protection shall operate if the permitted current is exceeded, and the circuit shall be discharged after the test. For readers, this means the wiring must survive high-voltage proof testing without damage.

Insulation resistance testing

Clause 4.4 requires insulation resistance measurements with 50 V to 500 V d.c. and equipment according to EN 61557-2. The fault current shall not exceed 5 mA in short circuit, and the reading shall be taken only after voltage and current stabilize. This is the main check that insulation remains in a good electrical condition.

Test preparation and protection of components

Clause 4.5 explains how to prepare screened or coaxial cables, connector shells, junction boxes, switches, circuit breakers, and other circuit parts. Sensitive electronic components shall be short-circuited or disconnected when needed, no equipment shall be connected, and extra safety precautions apply where wiring has been exposed to flammable liquids or hydraulic fluids. In practice, the aim is to avoid damaging installed devices while still testing the wiring itself.

Test stages and wiring categories

Clause 5 distinguishes tests on wiring in production from tests on assembled and installed bundles. Table 1 defines categories A, B, and C, and Table 2 gives different test conditions for pre-installation wiring and for wiring already installed in the aircraft. This matters because the required test level depends on the wiring type, the installation stage, and the aircraft test specification.

Final acceptance and repeated tests

Clause 6 requires that no deterioration due to insulation breakdown or ionisation appear, and that the insulation resistance values are met. If alternating-current dielectric testing is not satisfactory because of high wiring capacitance, direct-current testing is accepted. For repeated tests such as in-service inspection or repair, Clause 5.3 allows the Table 2 Part II values, with a possible reduction coefficient.

What terms does SIST EN 2283:2012 define?

• Continuity - The condition that a circuit path is complete and connected as intended.
• Dielectric strength - The ability of insulation to withstand the specified test voltage without breakdown.
• Insulation resistance - The resistance of the insulation measured under the specified test voltage.
• Screened wiring - Wiring with a screen that is tested before the screen is finally connected to ground.
• Bundle - A group of cables or wires assembled together for testing and installation.
• Aircraft test specification - The project-specific document that sets the applicable circuits and test values.
• RH - Relative humidity, used in Table 2 because the insulation resistance conditions depend on environmental moisture.

Who uses SIST EN 2283:2012?

SIST EN 2283:2012 is used by aerospace wiring manufacturers, aircraft assemblers, installation teams, maintenance and repair organizations, test laboratories, and quality or conformity staff. They use it when checking wiring during production, after installation, after modifications, and during repeat or in-service testing.

What changed in SIST EN 2283:2012 from the previous edition?

EN 2283:2010 supersedes EN 2283:1996. The Slovenian edition SIST EN 2283:2012 replaces SIST EN 2283:2001.

Which standards are used with SIST EN 2283:2012?

• EN 2282 - Gives the aircraft electrical supply characteristics and the voltage limits referred to for dielectric strength testing.
• EN 61557-2 - Specifies the equipment used for insulation resistance measurement.
• EN 61557-4 - Specifies the equipment used for continuity-type testing of protective and bonded connections.
• ISO 2678 - Covers insulation resistance and high-voltage tests for electrical equipment in aircraft environmental testing.
• IEC 50 (461) - Provides vocabulary for electric cables used by the definitions in Clause 3.
• IEC 50 (581) - Provides vocabulary for electromechanical components for electronic equipment used by the definitions in Clause 3.

What does the SIST EN 2283:2012 document contain?

The document gives the test types, test preparation steps, and procedural differences between wiring in production and wiring already assembled or installed in the aircraft. It includes Table 1 for wiring categories and Table 2 for test conditions, voltage levels, application times, and insulation resistance conditions.

It also describes how to handle screened or coaxial cables, connector shells, junction boxes, switches, and circuit breakers before testing. Clause 7 lists what the test report shall record, including environmental relative humidity, measured values, procedure, test means, defects, and deviations.

SLOVENSKI STANDARD
01-januar-2012
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SIST EN 2283:2001
$HURQDYWLND3UHVNXãDQMHRåLþHQMDSUL]UDNRSORYLK
Aerospace series - Testing of aircraft wiring
Luft- und Raumfahrt - Prüfung der Verkabelung von Luftfahrzeugen
Série aérospatiale - Vérification des câblages d'aéronefs
Ta slovenski standard je istoveten z: EN 2283:2010
ICS:
49.060 /HWDOVNDLQYHVROMVND Aerospace electric
HOHNWULþQDRSUHPDLQVLVWHPL equipment and systems
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD
EN 2283
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2010
ICS 49.060 Supersedes EN 2283:1996
English Version
Aerospace series - Testing of aircraft wiring
Série aérospatiale - Vérification des câblages d'aéronefs Luft- und Raumfahrt - Prüfung der Verkabelung von
Luftfahrzeugen
This European Standard was approved by CEN on 4 March 2010.

CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European
Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national
standards may be obtained on application to the CEN-CENELEC Management Centre or to any CEN member.

This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CEN member into its own language and notified to the CEN-CENELEC Management Centre has the same
status as the official versions.

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,
Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland,
Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2010 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 2283:2010: E
worldwide for CEN national Members.

Contents Page
Foreword .3
Introduction .4
1 Scope .4
2 Normative references .4
3 Terms and definitions .5
4 Tests .5
4.1 General .5
4.2 Continuity .5
4.3 Dielectric strength .5
4.4 Insulation resistance .6
4.5 Test preparation .6
5 Procedures .6
5.1 General .6
5.2 Testing of wiring in production .8
5.2.1 Continuity .8
5.2.2 Dielectric strength .8
5.3 Testing of assembled and installed bundles .8
6 Requirements .8
7 Test report .8

Foreword
This document (EN 2283:2010) has been prepared by the Aerospace and Defence Industries Association of
Europe - Standardization (ASD-STAN).
After enquiries and votes carried out in accordance with the rules of this Association, this Standard has
received the approval of the National Associations and the Official Services of the member countries of ASD,
prior to its presentation to CEN.
This European Standard shall be given the status of a national standard, either by publication of an identical
text or by endorsement, at the latest by June 2011, and conflicting national standards shall be withdrawn at
the latest by June 2011.
This document supersedes EN 2283:1996.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights.
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following
countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech
Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain,
Sweden, Switzerland and the United Kingdom.
Introduction
Due to the diversity of aircraft, manufacturing and installing methods for wiring, the tests defined in Clause 1
are carried out at different stages in the manufacturing programme:
 after assembly of cables into bundles before installation in the aircraft;
 after installation of bundles into the aircraft;
 after repairs or modifications.
1 Scope
This European Standard specifies:
 the tests for finished wiring, including connectors and, if necessary, terminals, terminal ends, junction
boxes, circuit breakers, etc.;
 these tests do not concern equipment installed in the aircraft (see operation of systems and do not apply
to the wiring used instrumentation;
 the requirements for verification of aircraft electrical wiring;
 continuity of circuits;
 dielectric strength;
 insulation resistance.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
EN 2282, Aerospace series – Characteristics of aircraft electrical supplies
EN 61557-2, Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. –
Equipment for testing, measuring or monitoring of protective measures – Part 2: Insulation resistance
(IEC 61557-2:2007)
EN 61557-4, Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. –
Equipment for testing, measuring or monitoring of protective measures – Part 4: Resistance of earth
connection and equipotential bonding (IEC 61557-4:2007
...