BIS CERTIFICATION FOR Conduits for Electrical Installations-Pliable Self-Recovering Conduits of Insulating Materials IS 9537 (Part 4)

GET BIS CERTIFICATION FOR CONDUITS FOR ELECTRICAL INSTALLATIONS - PLIABLE SELF-RECOVERING CONDUITS OF INSULATING MATERIALS IS 9537 (Part 4) : 1983

A conduit is a tube used for protection and routing electrical wiring mostly in building structure. Conduits are installed at site by the electrician. Electrical conduit can be made up of several different types of materials such as metal, plastic, fiber or fired clay.

Pliable, self recovering pipes are the pipes which have a maximum deformation of 50% (based on the outside diameter). This permissible deformation reduces the inside diameter by 72%, which means that the inside diameter of a size 25 pipe shrinks from 17.9 mm to 5.0 mm.

BIS is a statutory institution established under the Bureau of Indian Standards Act,1986  to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country.

Conduits for Electrical Installations - Pliable Self-recovering Conduits of Insulating Materials product has been specified in IS 9537 (Part 4) : 1983 by Bureau of Indian Standards.

SCOPE :

This standard (Part 4) specifies requirements and methods of tests for pliable self-recovering plain and corrugated conduits of insulating materials.

REFERENCES :

IS 2 :1960 Rules for rounding off numerical values

IS 4905 :1968 Methods for random sampling

IS 9537 : Part 1 :1980 Specification for conduits for electrical installations : Part 1 General requirements.

The parameters as given below shall be considered for grouping of Rigid Plain Conduits of Insulating Materials as per IS 9537(Part 4):1983 for GoL/CSoL:

·       Nominal size of conduits - 16mm/20mm/25mm/32mm/40mm/50mm/63mm

·       Grade of Mechanical Stress - Very Light/Light/Medium

·       Type - Plain / Corrugated

TESTING PARAMETERS :

·       Construction

·       Marking

·       Durability of Marking

·       Dimensions

·       Uniformity of Wall thickness

·       Screw Threads

·       Bending Test

·       Compression Test

·       External Influences

·       Collapse Test

·       Resistance to Heat

·       Electrical Characteristics

·       Impact Test

POSSIBLE TESTS IN A DAY :

·       Marking as per Cl. 6.1

·       Durability of Marking as per Cl. 6.3

·       Dimensions as per Cl. 7.1

·       Uniformity of Wall Thickness as per Cl. 7.2

·       Construction as per Cl. 8

·       Bending Test as per Cl. 9.2

·       Resistance to Burning as per Cl. 11

BIS CERTIFICATION IN INDIA

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