These application tips and suggestions will help extend motor life in these hostile environments.If you have a motor application that involves operation in a wet or damp environment, you should know the proper choice of motor enclosure, the...
Photo story reveals design and construction details of a substation expansion that combines new 15kV equipment with existing 5kV systems.Flexibility of power for new facilities and planned future growth are outstanding features of a revamped...
What is electrostatic discharge and how can it be controlled to prevent damage to micro electronic components?Electrostatic discharge (ESD) can cause damage to micro electronic equipment such as computer chips and other electronic components. How...
What tamper-resistant products are UL-listed and what test methods are used?Tamper-resistant receptacles are the only devices that are specifically tested by UL for safety and reliability in respect to compliance with NEC Sec. 517-18(c), including...
A few months ago, we had the opportunity to gather together a group of electrical professionals to speak their minds and vent their frustrations on the industry in general and some critical points in particular. The group represented a goodcross...
A lighting and appliance branch-circuit panelboard must have individual over-current protection. The overcurrent protection may be the fuses or circuit breaker protecting the service conductors, as long as the service conductors fuse or circuit...
Depending on the space in question, the attention given to acoustical sound attenuation is as important as the location of power and communications outlets, the performance of lighting systems, and the efficiency of energy usage. This is...
Fast track design and construction, thorough testing, and adjustments as needed provide power assurance to client's data operations.A strong concern for power reliability at a data site is satisfied by an electrical design that includes installed...
Modular 4160V generators slash $1 million off annual electric bills and assure emergency power. Versatile monitoring, control, and PLC systems integrate for total building control.To provide peak-shaving/emergency power for the new International...
Improperly substantiated horsepower designations on pool motors and other appliances may resize many circuit elements without increasing safety.We received a question from an inspector about a listed swimming pool filter assembly. The 115V motor...
