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.
  It depends on the state you are in and the Dental Hygiene school you you attend. There is a shortage of dental hygienists so they have 2 and 4 year programs. However, be â¦ fore you check out a 2 year school, remember that there are prerequisits to getting into any program-even the 2 year programs. High school students interested in becoming a dental hygienist should take courses in biology, chemistry, and mathematics. 2  Also, some dental hygiene programs require applicants to have completed at least 1 year of college.