2008
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650-Pipe Organs
650.1 Scope. This article covers those electrical circuits and parts of electrically operated pipe organs that are employed for the control of the sounding apparatus and keyboards.
650.3 Other Articles. Electronic organs shall comply with the appropriate provisions of Article 640.
511-Commercial Garages, Repair and Storage
FPN: Rules that are followed by a reference in brackets contain text that has been extracted from NFPA 30A-
2008, Code for Motor Fuel Dispensing Facilities and Repair Garages. Only editorial changes were made to the extracted text to make it consistent with this Code.
552-Park Trailers
I. General
(3) Marking. All insulated low-voltage conductors shall be surface marked at intervals not greater than 1.2 m (4 ft) as follows:
(1) Listed conductors shall be marked as required by the listing agency.
(2) SAE conductors shall be marked with the name or logo of the manufacturer, specification designation, and wire gauge.
(3) Other conductors shall be marked with the name or
660-X-Ray Equipment
660.4 Connection to Supply Circuit.
I. General
(A) Fixed and Stationary Equipment. Fixed and stationary X-ray equipment shall be connected to the power supply by means of a wiring method meeting the general requirements of this Code. Equipment properly supplied by a branch circuit rated at not over
30 amperes shall be permitted to be supplied through a
suitable attachment plug cap and hard-service cable or
cord.
445-Generators
445.1 Scope. This article covers the installation of gen- erators.
445.10 Location. Generators shall be of a type suitable for the locations in which they are installed. They shall also meet the requirements for motors in 430.14.
513-Aircraft Hangars
513.1 Scope. This article shall apply to buildings or struc tures in any part of which aircraft containing Class I (flam mable) liquids or Class II (combustible) liquids whose temperatures are above their flash points are housed or stored and in which aircraft might undergo service, repairs, or alterations. It shall not apply to locations used exclusively for aircraft that have never contained fuel or unfueled aircraft.
553-Floating Buildings
I. General
Extra-hard usage portable power cable listed for both wet locations and sunlight resistance shall be permitted for a feeder to a floating building where flexibility is required. Other raceways suitable for the location shall be permitted to be installed where flexibility is not required.
FPN: See 555.1 and 555.13.
553.1 Scope. This article covers wiring, services, feeders, and grounding for floating buildings.
553.2 Definition.
665-Induction and Dielectric Heating Equipment
I. General
and wiring are designed and approved for the hazardous (classified) locations.
450-Transformers and Transformer Vaults
450.1 Scope. This article covers the installation of all transformers.
Exception No. 1: Current transformers.
Exception No. 2: Dry-type transformers that constitute a component part of other apparatus and comply with the requirements for such apparatus.
Exception No. 3: Transformers that are an integral part of an X-ray, high-frequency, or electrostatic-coating apparatus.
Exception No. 4: Transformers used with Class 2 and