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Glowing connection

A loose or corroded electrical connection with elevated contact resistance that generates localised heat by Joule heating without increasing circuit current sufficiently to trip the circuit breaker; a recognised fire ignition mechanism in residential and industrial electrical systems.

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Related terms

Arc-fault circuit interrupter (AFCI)Conveyor belt slip fireFrank-Kamenetskii modelGround currentLithium-ion thermal runawayNFPA 51BReduced ignition propensity (RIP)Side flashSmouldering combustion

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