Surge protectors are usually rated in joules, which are a way to measure energy, and in essence, the more joules the better. For computer systems, 1,000 joules or more is recommended. This joule rating gives you a sense of how long the device can protect against surges and spikes.
Most commercial motor vehicles in Wisconsin require a USDOT Number and it must be provided at the time of registration. If you are required to have a USDOT Number, and cannot produce the number for verification, your vehicle registration application will not be processed until a valid number is provided.
What Is a DOT Previous Employer Check? Failing to comply with all of the Department of Transportation's requirements when hiring new employees can mean fines and, possibly, a company shutdown if the DOT audits your company. One of the requirements is a previous employer check of employees in safety-sensitive positions such as drivers. Your employment application must ask applicants to provide their employment history for the previous 10 years. However, you must confirm any employment listed in the previous three years.