REPLACEMENT WIRING ASSEMBLY for Burnmaster® Wood Burning Pen. The Burnmaster® Pen is the most durable replaceable "hot wire tip" style pen made. In the unlikely event that your pen "dies" you can fix it yourself by replacing the entire wiring assembly. The wiring assembly is a "drop in" part and requires no soldering. Assembly is quick and simple; instructions included. Made in USA. 497810 REPLACEMENT WIRING ASSEMBLY