May 21, 2018
We considered how to properly size a typical motor branch circuit using the motor load as determined with the appropriate table and then multiplying that number by 1.25, reference 430.22.
May 07, 2018
The 2018 edition of NFPA 70E, Standard for Electrical Safety in the Workplace has been extensively revised and significant new requirements have been added. Electricity is the most pervasive energy source present in the workplace and can present an extremely dangerous hazard to those who must work in proximity to energized conductors or energized circuit parts.
May 01, 2018
3 Steps to Renew My Delaware Electrical LicenseStep 1 - When Does My Delaware Electrical License Expire:Electrical licenses in Delaware expire on June 30th of even numbered years. Your electrical license will expire on June 30th 2018. Inactive and active licenses must be renewed in order to maintain their status....
May 01, 2018
3 Steps to Renew My Alabama Electrical LicenseStep 1 - When Does My Alabama Electrical License Expire:The expiration date for your Alabama electrical license can vary. Electrical licenses in Alabama expire every two years on one of the following days: March 30th June 30th September 30th December 30thYou must renew...
May 01, 2018
3 Steps to Renew My South Dakota Electrical LicenseStep 1 - When Does My South Dakota Electrical License Expire:South Dakota electrical licenses expire every 2 years on June 30th (even years). South Dakota electrical licenses will expire on June 30th 2020. In order to continue working and keep an active...
Apr 23, 2018
The wire of choice for feeders and branch circuits in residential locations is Type NM, non-metallic sheathed cable. It is inexpensive, quick and easy to use, and requires a minimum of tools. But its use is prohibited in sensitive locations, so for industrial, commercial, and even some residential locations, electrical...
Apr 09, 2018
Variable Frequency Drives (VFD’s), also referred to as Adjustable Speed Drives, are prominent in today’s workplace. They are used in elevator, water pump, high-volume air compressor applications and material-handling systems wherever speed and torque characteristics of AC motors are regulated. In Thomas Edison’s time, the DC motor was...
Mar 20, 2018
We demonstrated how to determine the motor load for general motor applications using 430.6(A)(1) which states that table values shall be used to determine the ampacity of conductors… instead of the actual current rating marked on the motor nameplate.
