National Grid
Tips of the trade
Welcome to National Grid’s Tips of the Trade for first responders. These tips are intended to help you respond safely and effectively to incidents involving natural gas and electricity. Please review them with your team.
Closing valves on underground gas pipelines is dangerous
Gas pipelines with valves
Closing valves on service meters and appliances
Curb valves procedures
For more first responder safety information, visit
811® | Know what's  below. | 811 before you dig.
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