Electrical - Indian Standards

Electrical
1

General Requirements

  • IS – 732 – Code of practice for electrical wiring installations (System voltage not extending 650 volts)
  • IS – 900 – Code of practice for installation and maintenance of Induction Motors
  • IS – 1271- Classification of insulting materials for electrical machinery and apparatus in relation to their thermal stability in service
  • IS – 1646 – Code of practice for fire safety of buildings (general) Electrical Installations
  • IS – 1866 – Code of practice for maintenance of insulating oil.
  • IS – 1882 – Code of practice for outdoor installation of public address systems.
  • IS – 1886- Code of practice for installation and maintenance of Transformers
  • IS – 1913- General and safety requirements of electric lighting fittings
  • IS – 2032- Graphical symbols used in electric technology.
  • IS – 2165- Guide for insulation coordination
  • IS – 2274- Code of practice for electrical wiring installations (System voltage exceeding 658 volts)
  • IS – 2309- Code of practice for the protection of buildings and Allied structures against lightning.
  • IS – 3034 – Code of practice for fire safety of industrial buildings – Electrical generating and distributing stations.
  • IS – 3043 – Code of practice for earthing
  • IS-3072 – Part -1 Code of practice for installation and maintenance of switchgear (System voltage not exceeding 1000 volts)
  • IS – 3106 – Code of practice for selection, installation and maintenance of fuses (voltage not exceeding 650 volts)
  • IS – 3638 – Application guide for gas-operated relays.
  • IS – 3646 – Code of practice for interior illumination.
  • IS – 3716 – Application guide for insulation coordination – Equipment located in hazardous situations.
  • IS – 3842 – Application guide for electrical relays for AC system.
  • IS – 4004 – Application guide for non-linear resisted type lightning arrestors for AC system
  • IS – 4146 – Application guide for voltage transformers.
  • IS – 4201- Application guide for current transformers.
  • IS – 5571- Guide for selection of electrical equipment in hazardous area.
  • IS – 5572 – Classification of hazardous areas for electrical installations.
  • IS – 5780 – Intrinsically safe electrical apparatus and circuits.
  • IS – 5908- Method of measurement of electrical installations in buildings.

Switchgear

General

  • IS – 375 – Marking and arrangement for switchgear bus-bars, main connections and auxiliary winding.
  • IS – 694 – Part 1 PVC insulated cables (for voltages up to 100v) with copper conductors.
  • IS – 1248 – Direct acting electrical indicating instruments.
  • IS – 2147 – Degrees of protection provided for enclosures for low voltage switchgear and control gear.
  • IS – 2208 – HRC cartridge fuse links up to 650 V.
  • IS – 2705 – Part I, II & III – Current transformers.
  • IS – 3156 – Part I, II & III – Voltage transformers.
  • IS – 3202- Code of practice for climate proofing of electrical equipment.
  • IS – 3231 – Electrical relays of power system protection.
  • IS – 4047- Heavy duty air break switches and composite units of air-break switches and fuses for voltages not exceeding 1000 volts.
  • IS – 4237 – General requirements for switchgear and control gear for voltages not exceeding 1000V.
  • IS – 5987 – Code of practice for selection of switches (voltage not exceeding 1000V).

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6.6 KV

  • IS – 335 – Insulating oil for transformers and switchgear.
  • IS – 2516 –Part 1 – Sec.2 Alternating current circuit breakers – Requirements and tests for voltage ranges 1000 to 11000 volts.
  • IS – 3427 – Metal enclosed switchgear and control gear for voltages above 1000 V but not exceeding 11000 V.

415 Volts

  • IS – 722 – AC electricity meters.
  • IS – 1951- PVC sleeving for electrical purposes.
  • IS – 2516 – Part 1- sec.1
  • Part II/Sec.2- AC circuit breakers – requirements and tests for voltages not exceeding 1000 V.
  • IS – 2419 – Dimensions of electrical indicating instruments.
  • BS – 4752 – Circuit breakers of rated voltage up to and including 1000 volts and 1200 volts dc.
  • BS – 6231 – PVC insulated cables for switchgear wiring.
  • IEC – 157 – Low voltage distribution switchgear circuit breakers.

M.C.C

  • IS – 1554 -Part I PVC insulated (heavy duty) electric cables for working voltages up to and including 1100 volts.
  • IS – 1822 – AC motor starters of voltage not exceeding 1000 volts.
  • IS – 2959 – AC contactors of voltage not exceeding 1000 V.
  • IS – 3961-Part II recommended current ratings for PVC insulated and PVC sheathed cables.
  • IS – 5124 – Code of practice for installation and maintenance of AC induction motor starters (voltage not exceeding 1000V).
  • IS – 2959 – AC contactors of voltage not exceeding 1000 V.

Inverters

  • IS – 391 – Mains transformers for electronic equipment.

Transformers

  • IS – 335 – Insulating oil for transformers and switchgear.
  • IS – 2026 – Power transformers.
  • IS – 2099 – High voltage porcelain bushings.
  • IS – 3070 – Lightning arrestors for AC systems.
  • IS – 3637 – Gas operated relays.
  • IS – 3639 – Fittings and accessories for power transformers

Motors

  • IS – 325 – Three phase induction motors.
  • IS – 4691- Degrees of protection provided by enclosures for rotating electrical machinery.
  • IS – 4722 – Rotating electrical machines

Batteries

  • IS – 1652 – Stationery cells and batteries, lead-acid type (with plante positive plates).
  • BS – 440 – Stationery batteries

Cables

  • IS – 1554 -Part I & II PVC insulated (heavy duty) electric cables for working voltages up to and including 1100 volts and for up to 33 KV.
  • IS – 1753 – Aluminium conductors for insulated cables.
  • IS – 3961 – Part II – Recommended current ratings for cables.
  • IS – 3975 – Mild steel wires, strips and tapes for armouring cables.
  • IS – 5819 – Recommended short-circuit ratings of high voltage cables.
  • IS – 5831 – PVC insulation and sheaths of electric cables

Alternators

  • IS – 7132 – 1973 Guide for testing synchronous machines
  • IS – 5422 – 1996 Turbine type generators
  • IS – 7306 – 1974 Methods for determining synchronous machine quantities from tests.