Ignition Source 06 : Any item or substance capable of an energy release of a type and magnitude sufficient to ignite any flammable mixture of gases or vapors that could occur onboard the vessel
NFPA 302 Fire Protection Standard for Pleasure and Commercial Motor Craft, 1998 ed. https://www.nfpa.org/assets/files/AboutTheCodes/30 2/302-A2003-rop.PDF, (Std: Fr Prac for Pleasure and Comm Motor Craft - Amer) {292 NFC}