Bl This standard establishes the dimensions and characteristic electrical magnitudes of bipolar plugs for electrical heating appliances, intended for use in fixed installations with ground connection and nominal voltage of 220V. B-2 This standard does not include plugs intended for use in explosive environments or with corrosive gases, or in on-board installations.
IRAM 2065-1953 history
1953IRAM 2065-1953 Plug for heating equipment (bipolar type, working standard voltage is 220V, with grounding plug)