Tesla has acknowledged a problem affecting certain Universal Mobile Connectors (“UMC”) NEMA 14-50 adapters used to charge Tesla Model S vehicles. According to the recall report, a variety of factors such as corrosion, physical damage to receptacles, or inappropriate installation of electrical outlets can cause higher than normal electrical resistance. Electrical resistance heating in the adapter or at the wall socket could lead to melting of the adapter, cord or wall receptacle. There is also the possibility of electrical arcing that could lead to fire. Continue reading →