Abstract: Described herein are heat and electrically resistive thermoplastic resin compositions containing a resin matrix including specified blends of a first polyamide with a higher melting point than a second included polyamide, a flame retardance package including both a halogenated and non-halogenated flame retardant constituent and limited quantities of various synergists, and optionally, one or more additives. Also disclosed are methods of creating articles from the described compositions, as well as the articles themselves.