Home
About the Activity
Standard of the Week
Standard of the Month
BIS Talks
Know Your Standard
Contact Us
Login
Know your standards
Home
Know your standards
Search Indian Standard (IS) :
By IS Number
By Keyword
IS On ECO Mark
Search multiple keywords:
Please enter multiple keywords or keyword strings separated by comma(,) and press enter to see multiple keyword search results
Basic Details/ मूल ब्यौरा
Comment
IS Number/
आईएस संख्या
:
IS 7421 : 1988
Reviewed In : 2019
IS Title/
आईएस शीर्षक
:
Specification for porcelain bushings for alternating voltages upto and including 1 000 V (First Revision)
Superseding IS/
सुपरसीडिंग आईएस
:
None
Degree of Equivalence/
समतुल्यता स्तर
:
Indigenous
Number of Revisions/
पुनरीक्षणों की संख्या
:
1
Number of Amendments/
संशोधनों की संख्या
:
No amendment issued
Aspect/
पक्ष
:
Product Specification
Language/
भाषा
:
English
Reaffirmation Year/
पुनर्पुष्टि वर्ष
:
2019
Technical Department/
तकनीकी विभाग
:
ETD (Electrotechnical Department)
Technical Committee/
तकनीकी समिति
:
ETD 06 (Electrical Insulators And Accessories Sectional Committee)
Member Secretary/
सदस्य सचिव
:
Mr. NITISH KUMAR JAIN (SCIENTIST-C)
Other Details
Indian Standard
Click to download
Amendment : 0
Gazette Document : 0
License : 0
Product Manual & SIT : 0
Laboratory : 0
Classification Details
Click to view
Cross Reference Details
Click to view
Composition
Click to View
Corrigendum : 0
Cross Reference Details
Download
Indian Standards Referred In IS IS 7421 : 1988
Reviewed In : 2019
:
1
IS 10314 : 1982
Reviewed In : 2021
Dimensions for ceramic bushings for terminals
ETD 6
2
IS 2099 : 1986
Reviewed In : 2018
Bushings for alternating voltages above 1 000 Volts
ETD 6
International Standards Referred In IS 7421 : 1988
Reviewed In : 2019
Standard contains no Cross Referenced International Standard.
IS 7421 : 1988
Reviewed In : 2019
is Referred in following Indian Standards :
1
IS 3347 : Part 8 : Sec 1 : 1988
Dimensions for porcelain transformer bushings for use in lightly polluted atmospheres: Part 8- 52 kV bushings: Sec 1 porcelain part
ETD 6
2
IS 1180 : Part 1 : 2014
Outdoor Type Oil Immersed Distribution Transformers Upto and Including 2 500 kVA, 33kV - Specification Part 1 Mineral Oil Immersed (Fourth Revision)
ETD 16
3
IS 1180 : Part 2 : 1989
Outdoor Type Three-phase Distribution Transformers Up To And Including 100 Kva 11 Kv:part 2 Sealed Type
ETD 16
4
IS 7903 : 2011
Textiles - Tarpaulines Made From High Density Polyethylene Woven Fabric
TXD 23
Classification Details
Group
:
Electrical Switchgear and Other Electrical Products/Accessories
Sub Group
:
Insulating material and systems
Sub Sub Group
:
Electrical insulators and insulating oils
Aspect
:
Product Specification
Certification
:
Voluntary Certification
Relevant Ministries
:
Ministry of Power, Ministry of Railways
Sustainable development Goals :
Short Commom Man's Title
:
Porcelain bushings for alternating voltage up to and including 1000 V
ITC-HS Code
:
85471010
Degree of Equivalence
:
Indigenous
Identical/Equivalent International Standard(s)
:
Harmonized with
:
Email Ids
ID
Mailing list
Download
1
Committee members email list
Download
3
Additional mailing list
Download
List of Licenses under IS : IS 7421 : 1988
Download
Expired or Cancelled Licenses
List of Expired or Cancelled Licenses under IS : IS 7421 : 1988
Download
Active Licenses
ID
Licence No.
Firm Name & Address
District
State
Validity Date
Status
Variety
Brand Name
Scale
ID
Licence No.
Firm Name & Address
District
State
Validity Date
Status
Variety
Brand Name
Scale
List of laboratories for : IS 7421 : 1988
Download
#
Lab Name
Address
City
State
Contact Number
Email Id
View Scope
List of Amendement(s) for : IS 7421 : 1988
#
Amendment Number
Amendment Year
File Name
Action
List of Gazette Document(s) for : IS 7421 : 1988
#
IS/Amendment Number
SO. No.
Action
List of Corigenda Document(s) for : IS 7421 : 1988
#
IS/Amendment Number
File Name
Action
List of Product Manuals & SIT
#
File Type
File Name
Action
Total Visitors -
7
1
3
9
2
1
QCO File Details
x
