Lighting track in residential installations are not permitted to be cut to length in the field unless permitted by the .

manufacturer

Explanation:

Track lighting refers to a  lighting framework where light installations are placed on a continuous circuit structure including electrical conductors everywhere. It can have more than one live conductors, based on the 3 volt-amperes (VA) per square foot, residential track-lighting fixtures are a part of the general lighting installation. Manufacturers are responsible for the length of the track light installation and therefore their permission is needed to make alterations in the setup.

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