GB/T 3836.6-2017 Explosive atmospheres—Part 6:Equipment protection by liquid immersion“o”

GB/T 3836.5-2017 Explosive atmospheres—Part 5:Equipment protection by pressurized enclosure"p" GB/T 3836.7-2017 Explosive atmospheres—Part 7:Equipment protection by powder filling“q” GB/T 3836.11-2017 Explosive atmospheres—Part 11:Material characteristics for gas and vapour classification—Test methods and data GB/T 3836.15-2017 Explosive atmospheres—Part 15:Electrical installations design,selection and erection GB/T 3836.16-2017 Explosive atmospheres—Part 16:Electrical installations inspection and maintenance GB/T 3836.18-2017 Explosive atmospheres—Part 18:Intrinsically safe electrical systems GB/T 3836.21-2017 Explosive atmospheres—Part 21:Application of quality systems for equipment manufacture GB/T 3836.22-2017 Explosive atmospheres—Part 22:Protection of equipment and transmission system using optical radiation GB/T 3836.23-2017 Explosive atmospheres—Part 23:Group Ⅰ,category EPL Maequipment intended to remain functionalin atmospheres endangered by firedamp and/or coal dust GB/T 3836.24-2017 Explosive atmospheres—Part 24:Equipment protection by special protection“s”

GB 3836.6-2004 Electrical apparatus for explosive gas atmospheres—Part 6:Oil-immersion"o"

IEC 60814 IEC 61099 GB/T 261-1983 Petroleum products—Determination of flash point—Closed cup method GB/T 261-2008 Determination of flash point—Pensky-Martens closed cup method GB/T 261-2021 Determination of flash point—Pensky-Martens closed cup method GB/T 507-2002 Insulating liquids—Determination of the breakdown voltage at power frequency GB 2536-1990 Transformer oils GB 2536-2011 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear GB/T 3535-1983 Petroleum oils—Determination of pour point GB/T 3535-2006 Petroleum products—Determination of pour point GB/T 3536-1983 Petroleum products—Determination of flash and fire points—Cleveland open cup method GB/T 3536-2008 Petroleum products—Determination of flash and fire points—Cleveland open cup method GB 3836.1-2000 Electrical apparatus for explosive gas atmospheres—Part 1:General requirements GB 3836.1-2010 Explosive atmospheres—Part 1:Equipment—General requirements GB/T 3836.1-2021 Explosive atmospheres—Part 1:Equipment—General requirements GB 3836.16-2006 Electrical apparatus for explosive gas atmospheres—Part 16:Inspection and maintenance of electrical installation(other than mines) GB/T 3836.16-2017 Explosive atmospheres—Part 16:Electrical installations inspection and maintenance GB/T 3836.16-2022 Explosive atmospheres—Part 16:Electrical installations inspection and maintenance GB 3836.16-2024 Explosive atmospheres—Part 16:Specification of electrical installations inspection and maintenance GB 4208-1993 Degrees of protection provided by enclosure (IP code) GB/T 4208-2008 Degrees of protection provided by enclosure(IP code) GB/T 4208-2017 Degrees of protection provided by enclosure(IP code) GB/T 5654-1985 Measurement of relative permittivity, dielectric dissipation factor at power frequency and volume resistivity of insulating liquids GB/T 5654-2007 Insulating liquids—Measurement of relative permittivity,dielectric dissipation factor and d.c.resistivity GB/T 21218-2007 Specifications for unused silicone insulating liquids for electrotechnical purposes GB/T 21218-2023 Unused silicone insulating liquids for electrotechnical purposes GB/T 30515-2014 Petroleum products—Transparent and opaque liquids—Determination of kinematic viscosity and calculation of dynamic viscosity NB/SH/T 0811-2023 Insulation oil oxidation stability test method NB/SH/T 0811-2010 The method for determining the oxidative stability of unused hydrocarbon insulating oil NB/SH/T 0836-2010 Determination of acid value of insulating oil using automatic potentiometric titration method DL/T 285-2012 Mineral insulating oil corrosiveness sulfur detection method: coating insulated paper copper strip method GB 2536-2025 Fluids for electrotechnical applications—Unused mineral insulating oils for transformers and switchgear GB/T 3535-2025 Determination of pour point for petroleum products

IEC 60079-6:2015