Power distribution
Nov 1, 1996,
Power distribution technology is creating specialized products for specialized applications, and many of these products are automated for energy management...
Protective devices
Nov 1, 1996,
New and patented circuit protection innovations are the result of improved manufacturing technologies, which lower costs and increase quality.Protective...
Conductors
Nov 1, 1996,
New jacketing compounds and configurations, coupled with advances in manufacturing methods, open up an even greater array of applications for wire, cords,...
Tools
Nov 1, 1996,
Tools are the money-making devices of installers, and even mundane ones have been redesigned for increased efficiency and performance.The electrician's...
Manufacturer improves working environment with MH lamps
Nov 1, 1996, Knisley, Joseph R.
The Briggs & Stratton Corp., Milwaukee, Wis., a leading manufacturer of small, air-cooled gasoline engines, is continually looking for ways to reduce...
Electrical maintenance in the 21st century
Nov 1, 1996, Kuisley, Joseph R.
Maintenance of electrical equipment, and the maintenance function in general, are key subjects today for managers of plants and facilities. One important...
Wire management
Nov 1, 1996,
New materials, configurations, and features are greatly expanding the use of traditional wire management systems and their components.Communications interfaces...
Connectors and terminations
Nov 1, 1996,
The newest connector/termination products now on the market provide unprecedented versatility and include features such as watertight constructions, wide...
Lighting
Nov 1, 1996,
With energy efficiency of prime concern and federal legislation initiating the demise of certain types of lamps, lighting is undergoing a rapid and extensive...
Calculating temporary power from multiple panels for multiple loads.
Nov 1, 1996, Lawrie, Robert J.
Q We recently had a problem providing temporary power to numerous pieces of 208V, single-phase equipment of various sizes. Sources of power were a number...
Controls
Nov 1, 1996,
New advances in control technology allow the ubiquitous PC to play a larger role in process interface and control.As programmable logic controllers (PLCs)...
Motors and controllers
Nov 1, 1996,
Energy efficiency has taken a quantum leap, aided by federal legislation, and the revolution continues as an evolution. The impetus behind this is the...
The how, what, and where of power conditioning. (part 6)
Nov 1, 1996, Waggoner, Ray
Solid-state subcycle switching devices can eliminate the need for a UPS, if two sources of power are available.For more than 70 years, we've had the motor-generator...
Facility management equipment
Nov 1, 1996,
With advancements in traditional equipment performance and new product technologies, facility management capabilities seem endless.Today's time switches...
Wiring devices
Nov 1, 1996,
The ubiquitos wiring device is seeing the results of innovative design and engineering, as additional labor-saving and performance features are unveiled.Product...
Is it just another shortcut?
Oct 1, 1996, Lamendola, Mark
Have you seen shortcuts take the place of good practice? Of course you have. Some shortcuts are extremely foolish, as evidenced by two disturbing trends...
The how, what, and where of power conditioning
Oct 1, 1996, Waggoner, Ray
Depending on the sensitivity of the load and its critically, differing configurations of solid-state UPS systems can do the job.In last month's session,...
What you need to know about operational amplifiers.
Oct 1, 1996, Rosandich, Ryan G.
Once thought to have outlived their usefulness, operational amplifiers are as popular today in control applications as they ever were.While many predicted...
Eleven practical tips for grounding substations.
Oct 1, 1996, Switzer, W. Keith
A properly designed and installed grounding system ensures reliable performance of electrical substations.Just how important is substation reliability?...
Developing an effective gen-set maintenance program
Oct 1, 1996, Demot, Richard; Olson, Gary L.
Conducting maintenance procedures at certain time intervals will improve engine generator set reliability and lengthen unit life.The failure of an engine-generator...
Focus on the fundamentals of shielded MV power cable
Oct 1, 1996, Lisker, Lowell; Tucker, Gerry
MV power cables are perceived as commodities, but are all makes alike?Shielded, 90 [degrees] C (Type MV-90), medium-voltage(MV) power cane (5kV to 35kV)...
Controller ratings for elevator motors.
Oct 1, 1996, Hartwell, Frederic P.
Reduced starting currents don't justify derated controllers, but different motor time ratings may affect required horsepower ratings.An elevator service...
The basics of electrical troubleshooting
Oct 1, 1996,
We're talking about line-to-ground faults that may damage equipment. The NEC, per Sec. 215-10, requires that ground-fault protection for equipment (GFPE)...
Steel mill tackles power quality and power factor problems
Sep 1, 1996, Bishop, Martin T.; Witte, John F.; Morgan, Robert B.
North Star Steel confronted low power factor (PF) and harmonics problems prior to installing a new ladle furnace by conducting a computerized analytical...
Reliable power is money in the bank
Sep 1, 1996, Rowe, Louis E.
Electrical design based on total reliability results in smooth operations and client satisfaction at recently constructed bank site.When lightning strikes,...
