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Informative Appendices: The following changes have been made:
Install cabling and associated infrastructure
New requirements for exterior emergency disconnects of one- and two-family dwellings for improved electrical safety for emergency responders
a new Appendix B on Water Velocity Limits has been incorporated to assist pool designers and builders on how to determine the required design flow rates
NFPA 54:NATIONAL FUEL GAS CODE 2021 R202 Informative Appendices: The following changesNFPA 54: NATIONAL FUEL GAS CODE 2021 Product details ISBN 10 : 1455916676 ISBN 13 : 978 1455916672 Item Weight : 15. 2 ounces
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