Which is an exposed wiring method that uses cleats, knobs, tubes and flexible tubing for the protection and support or on building and not concealed by the building structure?
A. Open wiring on insulators
B. Armored cable wiring
C. Concealed knob and tube wiring
D. Metal clad cable wiring
Answer:A
Which is an exposed wiring method that uses cleats, knobs, tubes and flexible tubing for the protection and support or on building and not concealed by the building structure?
A. Open wiring on insulators B. Armored cable wiring C. Concealed knob and tube wiring D. Metal clad cable wiring