1 ADT, low voltage signal work, telephone-interconnect systems (to voltage of any system is not to exceed 48 volts). 2  Limited Electrical Journeyperson (C-6). 3  May perform the same work as C-5 contractor, but must be in the employment of a licensed C-5 contractor.hile all persons engaging in any kind of electrical work must be licensed by the state of South Dakota; there is no specific specialty licensing set aside for low voltage or alarm work. All electrical work (including low voltage) is covered under the following licensingâs:
As of 2010-2014, the total population of Marion County is 30,527, which is 2.20% less than it was in 2000. The population growth rate is much lower than the state average rate of 8.33% and is much lower than the national average rate of 11.61%.
The city is the county seat of Jefferson County. The city's population was 212,237 according to the 2010 United States Census. The Birmingham-Hoover Metropolitan Statistical Area had a population of about 1,128,047 according to the 2010 Census, which is approximately one quarter of Alabama's population.