Examlex
A __________ is defined by the NEC as a complete lighting unit consisting of a lamp or lamps together with the parts designed to distribute the light, to position and protect the lamps and ballast, and to connect the lamps to the power supply.
Electron
A subatomic particle with a negative charge found in all atoms, contributing to electricity.
Electron
A subatomic particle with a negative charge, found in the electron clouds surrounding the nucleus of an atom.
Line Spectra
Line spectra are the emission or absorption of light at specific wavelengths by atoms or molecules transitioning between energy levels, resulting in distinct lines characteristic of the substance.
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