Electric is related to Energy. Energy is related to Emerge. Emerging is a form of Emerge. 
Danger is related to Hazard. Hazard is related to Threat. Threat is a type of Warning. 
Electric <--RelatedTo--> Energy <--RelatedTo--> Emerge <--FormOf-- Emerging 
Danger <--RelatedTo--> Hazard <--RelatedTo--> Threat --IsA--> Warning 