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V Manholes and Other Electrical Enclosures Intended for Personnel Entry, All Voltages
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V Manholes and Other Electrical Enclosures Intended for Personnel Entry, All Voltages
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V General, Manholes and Other Electrical Enclosures Intended for Personnel Entry, All Voltages
National Electrical Code 2014 of Alabama > 1 General > 110 Requirements for Electrical Installations > V Manholes and Other Electrical Enclosures Intended for Personnel Entry, All Voltages
427.27 Equipment for General Use, Voltage Limitations
for personnel is provided, the voltage shall be permitted to be greater than 30 but not more than 80 volts. Exception: In industrial establishments ...
National Electrical Code 2014 of Alabama > 4 Equipment for General Use > 427 Fixed Electric Heating Equipment for Pipelines and Vessels > 427.27 Voltage Limitations
427.36 Equipment for General Use, Personnel Protection
Induction coils that operate or may operate at a voltage greater than 30 volts ac shall be enclosed in a nonmetallic or split metallic enclosure ...
National Electrical Code 2014 of Alabama > 4 Equipment for General Use > 427 Fixed Electric Heating Equipment for Pipelines and Vessels > 427.36 Personnel Protection
(C) General, Location
Manhole openings for personnel shall be located where they are not directly above electrical equipment or conductors in the enclosure. Where ...
National Electrical Code 2014 of Alabama > 1 General > 110 Requirements for Electrical Installations > 110.75 Access to Manholes > (C) Location
(F) Special Conditions, Manholes
Underground Class 2 and Class 3 circuit conductors in a manhole shall be permitted to be installed with Class 1, non-power-limited fire alarm ...
National Electrical Code 2014 of Alabama > 7 Special Conditions > 725 Class 1, Class 2, and Class 3 Remote-Control, Signaling, and Power-Limited Circuits > 725.136 Separation From Electric Light, Power, Class 1, Non-Power-Limited Fire Alarm Circuit Conductors, and Medium-Power Network-Powered Broadband Communications Cables > (F) Manholes