ARTICLE 650. PIPE ORGANS


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ARTICLE 650. PIPE ORGANS
ARTICLE 650. PIPE ORGANS650.3. Other Articles. Some pipe organs now utilize sound equipment of the type covered in Art. 640, and those aspects are to be treated in accordance with that article.650.4. Source of Energy. As now specified here, electronic organs must be supplied from a listed dc power supply with a maximum output of 30 VDC.650.5. Grounding or Double Insulation of the DC Power Supply. The power supply must be either double insulated, or its metallic case must be bonded to the supply-side equipment grounding conductor.650.6. Conductors. In part
Citation
Frederic P. Hartwell; Joseph F. McPartland; Brian J. McPartland: McGraw-Hill's National Electrical Code 2017 Handbook, 29th Edition. ARTICLE 650. PIPE ORGANS, Chapter (McGraw-Hill Professional, 2017), AccessEngineering Export