When turning off the electrical power at a disconnect panel to work on an electrical circuit, what should you do to ensure that no one will turn the power on until you have finished and are ready?
What will be an ideal response?
Lock the panel with a lock that has one key and keep this key on your person.
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Cast iron pipes are sized in which standard?
a. CTS b. IPS c. both d. neither
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The U.S. Utility feeder pigs show unthriftiness because of disease or poor care
Indicate whether the statement is true or false.
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____ amplifiers, an application of the op-amp, are used when mixing audio signals together.
A. Inverting B. Summing C. Non-inverting D. Difference
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________ is the growing of two or more crops simultaneously in the same field.
A. Ratoon cropping B. Double cropping C. Intercropping D. Sharecropping
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