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NABL accredited testing

IS 4159 Testing: Mineral-Filled Sheathed Heating Elements

NABL accredited testing of mineral-filled sheathed heating elements to IS 4159: 24 tests, each against its clause.

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Independent private consultancy. Aaditech is not BIS or any government department and is not affiliated with or endorsed by them. Licences are granted only by the authority, and you can apply directly on its portal. Our consultancy fees are separate from official fees.

StandardIS 4159
CoversMineral filled sheathed heating element
Accredited tests24
AccreditationNABL, ISO/IEC 17025:2017
BIS-recognised testingAsk us which laboratory your BIS scheme accepts
CategoryHousehold Appliance Testing

IS 4159 tests we offer

#TestClause / method
1Abnormal operationCl. 19 IS: 4159
2ClassificationCl. 6 IS: 4159
3CLEARANCE, CREEPAGE DISTANCE AND SOLID INSULATION(Cl.29) IS: 4159
4Construction(Cl.22) IS: 4159
5Electrical Insulation and Leakage current at operating temperature(Cl.13) IS: 4159
6Endurance(Cl.18) IS: 4159
7Finish(Cl.33) IS: 4159
8Input(Cl.10) IS: 4159
9Insulation resistance and Electric strength (after humidity Treatment)(Cl.16) IS: 4159
10Internal wiring(Cl.23) IS: 4159
11Marking(Cl.7) IS: 4159
12Mechanical strength(Cl.21) IS: 4159
13Moisture resistanceCl.15 IS: 4159
14Protection against access to live partsCl. 8 IS: 4159
15Provision for earthing(Cl.27) IS: 4159
16Resistance to heat and fire(Cl.30) IS: 4159
17Resistance to rusting(Cl.31) IS: 4159
18Screws and connections(Cl.28) IS: 4159
19Stability and mechanical hazards(Cl.20) IS: 4159
20Supply connection & external flexible cables and cords(Cl.25) IS: 4159
21Temperature Rise(Cl.11) IS: 4159
22Terminals for external conductors(Cl.26) IS: 4159
23Transient overvoltages(Cl.14) IS: 4159
24Verification of Components(Cl. 24) IS: 4159

How IS 4159 testing works

  1. Tell us the purpose. BIS certification, a tender, a customer requirement or a design check. The purpose decides which clauses and which laboratory.
  2. Get the sample list and quote. We confirm the tests, the number of samples and the timeline for your product and its variants.
  3. Send samples. We help with labels, the test request and any technical documents the tests need.
  4. Testing and report. Tests are carried out under NABL accreditation and the report lists each clause, the requirement and the result.
  5. Review and use. We check the report before you submit it to BIS, a tender authority or your customer, and help if they raise a query.

Frequently asked questions

Which IS 4159 tests are NABL accredited?

All 24 tests listed on this page are within NABL accreditation (ISO/IEC 17025), each against the clause of IS 4159 shown next to it. The report carries the NABL accreditation mark for these tests.

Can the IS 4159 test report be used for BIS certification?

BIS accepts reports only from laboratories it has recognised for the standard. Before testing, we confirm which laboratory your BIS application needs, so you do not pay for a report BIS will not accept.

How many samples are needed for IS 4159 testing?

It depends on the product, its variants and the tests you need. Share the product details and the purpose of the test (BIS, tender or customer) and we will send the sample list and a quote.

Can you test only some clauses of IS 4159?

Yes. For a tender, a customer complaint or a design check, we can test selected clauses. For BIS certification or a type test, every applicable clause has to be covered.

Other household appliance testing

All NABL testing categories

See the NABL testing service for how we work. Tests listed are within NABL accreditation (ISO/IEC 17025).

Not sure which certification your product needs?

Talk to a team led by former BIS Directors. We'll map every approval your product needs before you spend on testing.

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