Which of the following statements about intersystem bonding is correct?
A. Intersystem bonding is required at the service equipment but is optional at buildings
supplied by a feeder.
B. Intersystem bonding is optional at the service equipment but is required at buildings
supplied by a feeder.
C. Intersystem bonding is required at the service equipment and at buildings supplied by a
feeder as well.
D. Intersystem bonding is required at the main distribution for mobile home parks but is
not required at the disconnecting means at the mobile home.
C. Intersystem bonding is required at the service equipment and at buildings supplied by a
feeder as well.
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In the truss shown, find the value of ?ABE in degrees.
Fill in the blank(s) with the appropriate word(s).
When using an analog ohmmeter as a continuity tester, a reading of zero indicates a(n) _________________________.
Fill in the blank(s) with the appropriate word(s).
Carry the answer to three decimal places. What is the total thickness of these shims taken from a bearing: 0.007 inch, 0.125 inch, 0.140 inch, 0.187 inch, and 0.004 inch?
Fill in the blank(s) with the appropriate word(s).
?Geothermal reservoirs with temperatures _____ offer a source of direct heating for homes, offices, and greenhouses.
A. ?greater than 300°F B. ?less than 300°F C. no greater than 220°F D. ?equal to or less than 220°F