The phrase "an ignition source" is correct and usable in written English.
It can be used in contexts related to fire safety, chemistry, or any situation where a source of ignition is relevant.
Example: "In order to prevent fires, it is crucial to identify any potential ignition sources in the area."
Alternatives: "a fire starter" or "a spark source".
An alternative could be an ignition source which is known as "exploding wire" or "fuse wire".
"This could cause an explosion or fire if an ignition source were present," the automaker said.
"Our investigators do believe that the leaking gas could have posed a danger if there had been an ignition source".
International safety regulations such as EN 1127-1 consider ultrasound to be an ignition source.
This is approximately similar to the estimated proportion of residential fire deaths in which smoking materials are an ignition source (23%).
The observed decline of 19% is approximately consistent with proportion of residential fire deaths (23%) in which smoking materials are an ignition source.
Preliminary findings suggest that blown transformers and fallen power lines may have started some of this month's blazes, though virtually any ignition source — a lightning strike, an errant cigarette butt, even a spark from the undercarriage of a car — could just as easily be the culprit.
When the initial temperature was elevated to over 860 K, an autoignition occurred without requiring an external ignition source.
To overcome the drawbacks of the non-spherical flames generated by pyrotechnical igniters, a continuous ignition spark is used as an alternative ignition source.
It has to be considered that combustible dusts handled in the FIBCs particularly at filling and emptying operations can form explosive mixtures with air, which must not be ignited by the packing material as an electrostatic ignition source.
They should not be stored where there is a potential ignition source, such as a furnace or water heater.
