A ground resistance measurement on a newly installed grounding electrode indicates a resistance of 130. The earth connection may be improved by connecting the existing electrode to a:

• A.Supplemental grounding electrode located 5 ft, away.
• B.Buried water piping system using 40 ft. of 2 in. PVC piping located 10 ft awat.
• C.Supplement 1/4 in, in thick aluminumplate electrode buried 30 in. down and located 7 ft, away.
• D.Supplemental copper plated steel grounding electrode located 8 ft, away.

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Which load path connections need to be analyzed when determining live and dead loads on a PV array system installed directly to a metal seam roof?

• A.Module to rail to metal seam roof, metal seam roof to top plate system
• B.Module to rail, rail to roof sheathing, roof sheathing to wall, wall to base plate/foundation system
• C.Rail to metal seam roof, metal seam roof to top plate, top plate to wall system
• D.Module to rail to metal seam roof, metal seam roof sheathing/rather system.

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When running horizontal 1-1/4 in, electrical metallic tubing (EMT) with compression fittings, what is the MAXIMUM permissible distance between condult supports?

• A.20 ft
• B.3 ft
• C.14 ft
• D.10 ft

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