When the closet is an integral part. of the bedroom, a safe approach would call for the. closet wiring to be protected just as other parts of the. bedroom. Commercial applications. Although not required under the NEC, AFCIs are suit-. able for use in commercial applications in circuits for. which they are rated.
Step 1: Get an Undergraduate Degree. Dental hygienists usually hold an associate's degree, such as an Associate of Applied Science, in dental hygiene. Two-year degree programs are available at community colleges, vocational institutes, or dental schools.
Admission Requirements. A high school diploma and college entrance tests are typically required for admission into a dental hygiene program. Many programs also require that students have a minimum of 1 year of college. In high school, students are advised to take courses in mathematics, chemistry and biology. To begin a dental hygienist program, schools usually require that students complete immunization, become CPR certified, pass a drug test and undergo a background check.