Ballast means a device used with an electric discharge lamp to obtain necessary circuit conditions, such as voltage, current, and waveform, for starting and operating the lamp.
Ballast means an electronic light source control gear between supply and light source to stabilise the electrical current of a gas-discharge light source;
Ballast means an electronic light source control gear between supply and light source, whether or not integrated with the light source or applied lamp, to stabilise the electrical current of a gas-discharge light source.
Examples of Ballast in a sentence
Ballast all traffic cones so they will not be blown over by traffic.
Lime Concrete 3” Thick in Floors and with Brick Ballast : 1½” bricks aggregate and down gauge a specified by the Engineer-in-Charge with 50% of lime mortar consisting of lime and sand shall be used.
The Ballast loss should be less than 2 W and efficacy of more than 6.5 Lumen / Watt.
Ballast: Increase thickness of precast concrete sections or add concrete to base section, as required to prevent flotation.
Ballast is permitted to achieve these minimum weights but weight may only be removed within the limits of the modifications detailed within these regulations.
More Definitions of Ballast
Ballast means a device used with an electric discharge lamp to obtain necessary circuit conditions (voltage, current and waveform) for starting and operating.
Ballast means one or more components, either between supply and light source or integrated with the light source, to control the electrical current of a gas-discharge light source.
Ballast means lamp control gear inserted between the supply and one or more discharge lamps which by means of inductance, capacitance or a combination of inductance and capacitance, serves mainly to limit the current of the lamp(s) to the required value.
Ballast means crushed or broken stone, solidified furnace slag, ashes, screenings, stone chippings, and other like material sold, conveyed, or otherwise dealt with in the course of trade, and used, intended to be used, or capable of being used, for road or building construction or for similar purposes;
Ballast means a device used with an electric discharge lamp to
Ballast means a device which serves mainly to limit the current of the lamp(s) to the required value in case it is connected between the supply and one or more discharge lamps. A ballast may also include means for transforming the supply voltage, dimming the lamp, correcting the power factor and, either alone or in combination with a starting device, providing the necessary conditions for starting the lamp(s);
Ballast means the electrical supply of the gas-discharge light source. This ballast may be partly or completely inside or outside the headlamp.