Bl This standard establishes the dimensions and electrical magnitudes characteristic of non-reversible bipolar plugs with ground connection, intended for use in fixed industrial electrical installations with ground connection and nominal voltage of 220V. B-2 This standard does not include the sheets for home installations. B-3 This standard does not include tokens intended for use in explosive environments or with corrosive gases, or in on-board installations.
IRAM 2075-1948 history
1948IRAM 2075-1948 Grounding electrical card (bipolar irreversible industrial fixed installation type with standard operating voltage of 220V)