1. (a) This classification includes all of the specialty classes below.

2. (b) Note. Trade licenses required to obtain this classification are:

   1. (1) Arkansas master plumber;
   2. (2) Arkansas Class A or Class B HVACR.

3. (c) Specialty classes:

   1. (1) Boiler construction and repair;
   2. (2) Control systems and instrumentation;
   3. (3) Heating, ventilation, air conditioning, and refrigeration;
   4. (4) Plumbing;
   5. (5) Pneumatic tube systems;
   6. (6) Pollution, air or dust control, blower or exhaust systems;
   7. (7) Piping, process piping, and valve repair;
   8. (8) Sheet metal, duct;
   9. (9) Sprinklers, fire protection (trade certificate needed); and
   10. (10) Temperature controls (pneumatic).

Codification Notes: “HVACR” means heating, ventilation, air conditioning, and refrigeration.