Electricians who work on refrigeration, heating, and air conditioning (HVAC) systems need special training because these systems involve complex electrical components that require specialized knowledge and skills to troubleshoot and repair. HVAC systems involve a range of electrical components, including …
The NEC is Amazing Overview of NEC® The National Electrical Code (NEC) is a set of safety standards and regulations for electrical installations in the United States. The code is updated every three years by the National Fire Protection Association …
NECA National Electrical Code Questions – Hot Tub Question Hot Tub Question and NECA Question of the Day Response Back in the early 80s I used to follow a gentleman named Charles Trout. Charlie, as he became known to me …
NECA National Electrical Code Questions – Voltage Drop Voltage Drop and NECA Question of the Day Response Back in the early 80s I used to follow a gentleman named Charles Trout. Charlie, as he became known to me as we …
Understanding Variable Frequency Drives The Need for Variable Frequency Drives (VFDs) While the development of the cage-rotor style induction motor was a major advancement in harnessing the power of electricity to do work, it soon became evident that the operation …
How Are Electrical Transformers Constructed? Transformer Construction The windings of industrial electrical transformers are not placed on separate legs (as shown in Figure 11-1). A more efficient method, which reduces flux leakage, is to place the windings on top of one …
Electrical Maintenance | 4 Rules Four Rules of Electrical Maintenance When considering the maintenance of electrical equipment, look into the wide variety of operating conditions in which electrical equipment is found. These conditions vary from normal room temperature and humidity …
Advantages and Disadvantages of Alternating Current Alternating current can be generated at higher voltages than DC with fewer problems of heating and arcing. Some standard values of voltage are 2300; 4600; 6900; 13,800; and 33,100 volts. These values are frequently …
Effective Value / Root Means Square (RMS) Effective Values The effective value of an AC is that value that will produce the same heating effect as a specific value of a steady DC. In other words, an AC has an effective value …
Industrial Electricity Electrical Code Academy, Inc. is excited to finally roll out their extensive course on Industrial Electricity. The Fast Trax® Magenta is dedicated to all things industrial, including job-site safety and electrical awareness. The program has 19 chapters dedicated …