New TxDOT Electrical Certification Causes Short Circuits.
The Texas Department of Transportation (TxDOT) mandated all contractors bidding on state projects must extend their electrical certification and complete course work to obtain TRF450 and TRF453 certifications. As of August 2017, anyone who inspects or installs electrical systems supplying traffic signal controller cabinets or traffic signal poles on Texas roadways are required to take specified...
