Is this the biggest change in the 2005? - 10/11/04 12:15 AM
410.73(G) Disconnecting means.
Effective January 1, 2008
Effective January 1, 2008
Quote
In indoor locations, other than dwellings and associated accessory structures, flourescant luminaires that utilize double-ended lamps and contain ballast(s) that can be serviced in place or ballasted luminaires that are supplied by multiwire branch circuits and contain ballast(s) that can be serviced in place shall have a disconnecting means either internal or external to each luminaire, to disconnect simultaneously from the source of supply all conductors of the ballast, including the grounded conductor, if any. The line side terminals shall be gaurded. The disconnecting means shall be located so as to be accessible to qaulified persons before servicing or maitaining the ballast. This requirement shall become effective January 1, 2008.
Exception No.1: A disconnecting means shall not be required for luminaires in hazardous locations.
Exception No.2: A disconnecting means shall not be required for emergancy illumination required in 700.16.
Exception No.3: For cord and plug connected luminaires, an accessilbe seperable connector or an accessible plug and receptacle shall be permitted to serve as the disconnecting means.
Exception No.4: A disconnecting means shall not be required in industrail establishments with restricted public access where conditions of maintainance and supervision ensure that only qaulified persons service the installation by written proedures.
Exception No.5: Where more than one luminaire is installed and supplied by other than a multiwire branch circuit, a disconnecting means shall not be required for every luminaire when the design of the installation includes locally accessible disconnects, such that the illuminted space cannot be left in total darkness.
Exception No.1: A disconnecting means shall not be required for luminaires in hazardous locations.
Exception No.2: A disconnecting means shall not be required for emergancy illumination required in 700.16.
Exception No.3: For cord and plug connected luminaires, an accessilbe seperable connector or an accessible plug and receptacle shall be permitted to serve as the disconnecting means.
Exception No.4: A disconnecting means shall not be required in industrail establishments with restricted public access where conditions of maintainance and supervision ensure that only qaulified persons service the installation by written proedures.
Exception No.5: Where more than one luminaire is installed and supplied by other than a multiwire branch circuit, a disconnecting means shall not be required for every luminaire when the design of the installation includes locally accessible disconnects, such that the illuminted space cannot be left in total darkness.