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Standards [CURRENT]

ABNT NBR 16744

Non composite post insulator for a.c. overhead lines with a nominal voltage greater than 1000 V - Definitions, test methods and acceptance criteria
Edition 2019-04-26

Standards [CURRENT]

ABNT NBR 16953

Composite hollow core station post insulators for substations with a.c. voltage greater than 1000 V and d.c. voltage greater than 1500 V - Definitions, test methods and acceptance criteria
Edition 2021-03-10

Standards [CURRENT]

ABNT NBR 16954

Composite hollow insulators - Pressurized and unpressurized insulators for use in electrical equipment with rated voltage greater than 1000 V - Definitions, test methods, acceptance criteria and design recommendations
Edition 2021-04-13

Standards [CURRENT]

ABNT NBR 16973

Aggregates - Determination of material finer than 75 µm sieve by washing
Edition 2021-06-18

Standards [CURRENT]

ABNT NBR 17063

Composite line post insulators for systems with rated voltage greater than 1000 V - Dimensions and characteristics without stay
Edition 2022-09-15

Standards [CURRENT]

NF A35-024/A1

Reinforcing steel - Surface welded fabric composed of wires of nominal diameter less than 5 mm
Edition 2022-01-01

Electromagnetic Compatibility (EMC). Part 3-4 : limits. Limitation of emission of harmonic currents in low-voltage power supply systems for equipment with rated current greater than 16 A
Edition 1999-05-01

Electromagnetic compatibility (EMC) - Part 3-12 : limits - Limits for harmonic currents produced by equipment connected to public low-voltage systems with input current more than16 A and less than or equal to 75 A per phase
Edition 2024-04-26

Standards [CURRENT]

NF M88-783

Pressure regulators for gas appliances installed in an energy production site or for gas installations with an upstream pressure lower than 500 mbar
Edition 2023-07-12

Hybrid insulators for a.c. and d.c. for high-voltage applications greater than 1000V AC and 1500 V DC - Definitions, test methods and acceptance criteria

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