IS 9857 : 1990

What this standard covers

This standard covers the requirements and tests for single core flexible cables used m welding circuits. 1*2 The cables covered in this standard arc suitable for use where combination of ambient temperature and the temperature due to load results in a steady conductor temperature not exceeding: a) 60°C for general service normal duty elastomeric compound; and b) 90°C for heat resisting oil...

Scope, quoted from IS 9857 : 1990. Read the full standard

Requirements and tests, as the standard names them

• 3.2 Acceptance Test
• 3.3 Routine Tests
• 3.4 Type Tests
• 10.1 Type Testa
• 10.2 Acceptance Tests
• 11.2 Spark Test
• 11.3 Static Flexibility Test
• 11.4 Flammability Test

Sub-clause names as printed under the headings “CLASSIFICATION OF TESTS”, “DETAILS OF TESTS”, and those whose printed names themselves say “Test” in IS 9857 : 1990. Values and limits are deliberately not reproduced here — read them in the standard itself.

How the standard is organised

• 4 CONDUCTOR
• 5 SEPARATOR
• 6 COVERING
• 10 CLASSIFICATION OF TESTS
• 11 DETAILS OF TESTS
• 12 IDENTIFICATION
• 13 PACKING AND MARKING
• 14 GABLE RATINGS
• 15 VOLTAGE DROP

Test methods it refers to

• IS 10810

Edition history (per the BIS registry)

• IS 9857 : 1990 — current edition

Where this standard is used on NirmanDost

Listed by product makers

2 products in the NirmanDost catalogue name this standard on their spec sheets — CCTV Camera Cable, Speaker Cable. That is the maker’s own claim, copied as printed; we have not tested these products against the standard, and a spec sheet can cite the wrong code.