The Wahl Breaker WB140 is a self-adhesive temperature-recording label that features a silver gray indicator that turns permanently and irreversible black in less than one second with ±1 percent accuracy, traceable to NIST. It is designed to warn of possible component failure or overheat of circuit breakers, motors, and electrical equipment. It provides a permanent record of overheating and continuously monitors 24/7 with no interruption due to power failure of battery exhaustion. Wahl Instruments Inc.http://rbi.ims.ca/4911-596
Focus on Fundamentals consists of 45-minute on-line classes that cover a host of technologies. You learn without leaving the comfort of your desk. All classes are taught by subject-matter experts and all are archived. So if you can't attend live, attend at your convenience.