The square of the diameter equals the cross-sectional area. A cable is checked for a power job and is found to be too small. The cable contains 62 strands of copper wire that each have a diameter of 37.2 mils. What is the size of the cable in circular mils? Carry the answer to two decimal places.
Fill in the blank(s) with the appropriate word(s).
85798.08
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By energizing a coil of the relay, called the latch coil, the latching relay operates. A second coil on the relay, the unlatch coil, must be energized to return the contacts to their unoperated condition. This arrangement is often referred to as a ____.
a. mechanical latching attachment b. memory relay c. locking relay d. solid-state timing relay
____________________ are simple on and off solenoids that control upshifts and downshifts in all forward gear ranges.
Fill in the blank(s) with the appropriate word(s).
The minimum size of service disconnect for a single-family dwelling unit permitted by the NEC® is __________ amperes.
a. 60 b. 75 c. 100 d. 150
On a package air conditioning system, which refrigerant lines must be field installed?
A. discharge and suction B. liquid and suction C. discharge and liquid D. No lines need to be installed.