An energized electrical work permit is _____.
a. not required for control circuits operating under 120V
b. allowed in circumstances where de-energized processes would increase costs
c. permitted for the purpose of required equipment diagnostic procedures
d. allowed in high-production environments where a shutdown would create schedule delays
c. permitted for the purpose of required equipment diagnostic procedures
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A pump that has a seal between the fluid inlet and outlet to prevent backflow through the pump is a _____
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