Light bulbs with socket B15d
prices on 42 modelsB15d
— bayonet base — round shape with two pins, which, when installing the light bulb, enter special grooves; the light bulb is fixed by turning it by 90°. It differs from another popular B22 mount (see the relevant paragraph) in smaller dimensions, but otherwise it is completely similar — in particular, it is found in lamps for vehicles, where reliability and the ability to withstand vibrations without loosening contact are important.