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Power transformers - Part 2: Temperature rise for liquid-immersed transformers
30.99 CD approved for registration as DIS
Power transformers - Part 22-1: Power transformer and reactor fittings - Protective devices
20.99 WD approved for registration as CD
Power transformers - Part 22-7: Power transformer and reactor fittings - Accessories and fittings
20.99 WD approved for registration as CD
Power transformers - Part 22-8: Power transformer and reactor fittings - Devices suitable for use in communication networks
20.99 WD approved for registration as CD
Power transformers - Part 4: Lightning impulse and switching impulse tests of power transformers and reactors
50.00 Final text received or FDIS registered for formal approval
Power transformers - Part 5: Ability to withstand short circuit
30.60 Close of voting/ comment period
Power transformers - Part 57-129: Transformers for HVDC applications
20.99 WD approved for registration as CD
Technical guideline for the Application, Specification, and Testing of Phase-Shifting Transformers
20.99 WD approved for registration as CD
Power Transformers - Part 9: Terminal and tapping markings for power transformers
10.60 Close of voting
Explosive atmospheres - Part 0: Equipment - General requirements
50.00 Final text received or FDIS registered for formal approval
Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
40.60 Close of voting
Interpretation Sheet 1 - Explosive atmospheres - Part 1: Equipment protection by flameproof enclosures "d"
00.99 Approval to ballot proposal for new project
Explosive atmospheres - Part 10-1: Classification of areas - Explosive gas atmospheres
40.60 Close of voting
Explosive atmospheres - Part 10-2: Classification of areas - Explosive dust atmospheres
40.99 Full report circulated: DIS approved for registration as FDIS
Explosive atmospheres - Part 101: Principles of explosion protection
30.60 Close of voting/ comment period
Interpretation Sheet 4 - Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
00.99 Approval to ballot proposal for new project
Interpretation Sheet 4 - Explosive atmospheres - Part 11: Equipment protection by intrinsic safety "i"
00.99 Approval to ballot proposal for new project
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