In the NEC, the normal philosophy for circuit protection is to shut down equipment before allowing the supply conductors to overheat. Article 695 departs from this philosophy. The fire pump motor must ...

Whereas Part 1 of this three-part installment covered connections to and power sources for fire pumps (August 2024), and Part 2 dealt with disconnecting means, overcurrent protection, and transformers ...

Centrifugal pumps are the most common pumps in a process plant. Despite their pivotal role in operations, however, they are often the plant's least understood and most inefficiently operated equipment ...