Q We recently installed a new steam pressure reducing station in an existing 6-m. 150-lb steam line. After reinsulation of the pipe with foil-jacketed, 2-in.-thick fiber glass, electrical arcing started between the new insulation foil jacket and...
In a little more than a year from now, most of your new motors must meet new efficiency levels mandated by federal legislation.On October 24 of next year and thereafter, most new motors manufactured must be of "energy-efficient" design. The Energy...
In today's ever-changing economy, companies across the country are striving to lower operating costs and trim their budgets. As a result, an increasing number of businesses are starting to pay more and more attention to their utility bills as well...
Hundreds of thousands of PID controllers are used each year to control industrial processes, and it is important to become familiar with their operation.What is a process controller? In simple terms, it's a device that measures an input and then...
The ability to allow kitchen countertop receptacles located below the countertop is more limited than some have interpreted.Important changes have been made that reduce the number of required receptacle outlets on island and peninsular countertops...
A small multifamily dwelling service change uses some innovative construction techniques, some of which could be used in industrial applications.In addition to some unusual design requirements covered in the last issue, the service change involved...
Effective selection, application, operation, and maintenance of modern motors require a strong working knowledge of rotating-machine basics as well as an in-depth awareness of the latest technical developments.Modern motor application designs have...
Here are key data that you need to properly select, install, and maintain hazardous-area motors.Hazardous areas motors are those motors designed with specific characteristics so that they'll operate safely in a definitive hazardous environment. In...
Effective selection and application of modern gensets require a strong knowledge of generator basics as well as an in-depth awareness of fuel sources and NEC requirements.Engine-generator sets now have countless applications, often with multiple...
A small multifamily dwelling service change reveals interesting Code applications.One of the best features of the electrical trade is that every day, problems need to be solved that aren't quite the same as the ones we solved yesterday. Changing...
