The following electrodes are permitted for grounding.
A. Interior metal water piping (within 5ft)
B. Metal frame of the building
C. Concrete encased electrode
D. All the above
D. All the above
You might also like to view...
Una CMU estándar, incluida la unión de mortero, tiene una altura de _____.
a. 6" b. 7" c. 8" d. 9"
Believing that there was “only one good” for his kingdom, and valuing efficiency and utility, what did Joseph II decree in 1784?
a. the abolition of all monasteries b. the supremacy of the Orthodox Christian Church c. the use of German for all bureaucratic documents d. the use of provincial customs and laws in each of the Habsburg lands
Always try to position the weldment so that welding is performed in the _____
a. flat position b. overhead position c. vertical position d. 4G position
How can a node on an insulated boundary be treated as an interior node in the finite difference formulation of a plane wall? Explain.
What will be an ideal response?