Submetering equipment pinpoints peak demand at foundry.
Jul 1, 1996, Parson, Ellen K.
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...
'What to know about PID process controllers
Jul 1, 1996, Rosandich, Ryan G.
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...
Kitchen receptacles below countertops.
Jun 1, 1996, Hartwell, Frederic P.
The ability to allow kitchen countertop receptacles located below the countertop is more limited than some have interpreted.Important changes have been...
Unusual design issues involved in service change, part 2.
Jun 1, 1996, Hartwell, Frederic P.
A small multifamily dwelling service change uses some innovative construction techniques, some of which could be used in industrial applications.In addition...
What to know about PLC ladder diagram programming.
Jun 1, 1996, Rosandich, Ryan G.
When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming.Their...
Wiring multiple buildings from one transformer.
May 1, 1996, Hartwell, Frederic P.
There are practical industrial applications for wiring several buildings from one transformer, but does it meet Code?A new controversy has come up on...
Guidelines for engine-generator application designs.
May 1, 1996, Lawrie, Robert J.
Effective selection and application of modern gensets require a strong knowledge of generator basics as well as an in-depth awareness of fuel sources...
What you should know about hazardous-area motors.
May 1, 1996, Lawrie, Robert J.
Here are key data that you need to properly select, install, and maintain hazardous-area motors.Hazardous areas motors are those motors designed with...
Guidelines for motor application designs.
May 1, 1996, Lawrie, Robert J.
Effective selection, application, operation, and maintenance of modern motors require a strong working knowledge of rotating-machine basics as well as...
Guidelines for transformer application designs.
May 1, 1996, Moran, Robert B.
You must evaluate various factors when choosing a transformer so that it meets both the needs of the load and the application.The time you spend in selecting...
Guidelines for wiring device application designs.
May 1, 1996, Knisley, Joseph R.
Selecting and applying wiring devices.Receptacles, switches, plates, and cord connector bodies are available in a wide range of sizes, ratings, and styles...
Unusual code issues involved in service change, part 1.
May 1, 1996, Hartwell, Frederic P.
A small multifamily dwelling service change reveals interesting Code applications.One of the best features of the electrical trade is that every day,...
Serving electric fire pumps.
Apr 1, 1996, Hartwell, Frederic P.
The new Art. 695 makes it effectively impossible to install electric fire pumps in the majority of large-sized campus and industrial occupancies.One of...
How to perform short-circuit calculations. (part 3)
Apr 1, 1996, Mercede, Frank J.
Reducing first-cycle and contact-parting networks to equivalent reactance and resistance values results in simplified netwrork calculations of fault currents...
Mating new variable frequency drives to existing motors.
Mar 1, 1996, Manz, Lester B.; Morgan, Robert B.
Motors connected to VFDs receive power that includes a changeable fundamental frequency, a carrier frequency, and very rapid voltage buildup. These factors...
