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Paragraph
514.13 below has NOT been modified in the NFPA 70,
2008 National Electrical Code.

The paragraph
below has been modified in the NFPA 70, 2005 National Electrical Code to read as
the following paragraph.
514.13 Provisions for
Maintenance and Service of Dispensing Equipment. Each
dispensing device shall be provided with a means to
remove all external voltage sources, including feedback,
during periods of maintenance and service of the
dispensing equipment. The location of this means shall be
permitted to be other than inside or adjacent to the dispensing device.
The means shall be capable of being locked in the open position.

The paragraph
below has been modified in the NFPA 70, 2002 National Electrical Code to read as
the following paragraph.
514.13 Provisions for
Maintenance and Service of Dispensing Equipment. Each
dispensing device shall be provided with a means to
remove all external voltage sources, including feedback,
during periods of maintenance and service of the
dispensing equipment. The location of this means shall be
permitted to be other than inside or adjacent to the dispensing device.

The following paragraph
has been added to the NFPA 70, 1999 National Electrical Code.
514-6. Provisions for
Maintenance and Service of Dispensing Equipment. Each
dispensing device shall be provided with a means to
remove all external voltage sources, including feedback,
during periods of maintenance and service of the
dispensing equipment. 
Our system
will eliminate feedback 24 Hours a day
without the use of any other switches or relays.

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