Normal building electrical wiring and junction boxes are not sources of ignition,Įlectrical panels, most electrical switches, relays, and similar controls that can create a spark when operated are considered a "source of ignition".Įlectric meters on buildings are not considered a source of ignition.Īll portions of a gas utility distribution system up to the outlet of the meter are regulated by 49 CFR Part 192, under the U.S. Gas meter clearance to sources of ignitionĮlectrical equipment that can serve as a source of ignition is defined as an ignition source if it creates an arc or spark during operation. Be sure to check with your local building or plumbing code officials. Local building code requirements for safe distances from a gas meter or gas meter vent vary, depending on where you live, and are also different between the U.S. These are typical gas meter clearance distances to various building features, but keep in mind however that this list is not exhaustive. Measure as a direct, straight line from the nearest meter set or component to the nearest edge of the building feature "as if using a string"ġ. Minimum clearances specified in this table must be maintained. If the regulator relief vent is less than 12" from any outside corner, then the With this specification met, there are no clearance distance requirements for building features located around the corner from the gas meter. Regulator relief vent distance from any outside building corner Minimum Clearance Distance to Gas Meter or Regulator Ventįront wall (front presumed facing public access), or within 3 feet of side wall (see corner clearances) Clearance Distances between a Gas Meter or Gas Meter Regulator Vent & Building ComponentsĮxample 1 Gas Meter Clearance Distances from Building Features We also provide an ARTICLE INDEX for this topic, or you can try the page top or bottom SEARCH BOX as a quick way to find information you need. In this article series on gas meters, controls & piping, we provide descriptions and photographs of unsafe gas piping, indications of unsafe or improperly operating gas appliances, gas meters, and other gas installation defects. We include examples of typical gas meter overall dimensions for residential as well as commercial gas meters for both LP and natural gas. Gas service line trench features are also described. This article provides a detailed table of example clearance distance specifications for natural gas meter installations, giving the distances to various building features such as windows, doors, electrical components, vents, air conditioners, and outside hose bibs. Gas meter clearance & piping distances & gas meter dimensions: We have no relationship with advertisers, products, or services discussed at this website. InspectAPedia tolerates no conflicts of interest.
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