T/SDHW 0005-2019 Low-voltage distribution box for household and similar purposes
T/SDHW 0005-2019 Low-voltage distribution box for household and similar purposes
Basic Information
Scope
Scope: This standard applies to distribution boxes used indoors for household and similar purposes, with a rated voltage not exceeding 440 V and a rated current not exceeding 125 A, mainly for distributing power to household appliances such as lighting, air conditioners, and televisions. Main technical content: This standard specifies the requirements, test methods, inspection rules, marking, packaging, transportation, and storage for low-voltage distribution boxes used for household and similar purposes. Among them, "requirements" include general requirements, safety requirements, appearance, dimensions and their deviations, coating quality (including thickness, hardness, adhesion, corrosion resistance, and impact resistance), protective capabilities, load-bearing capacity, strength, corrosion resistance, insulating materials, and free fall tests.