"The harnessing of electrical power to lighten mankind’s work-load is
only a little over a century old. During my own career, I have witnessed
many changes in equipment, work methods, industry organization, and
"All electrical systems are composed of the same basic equipment.
Experience has shown it is most economical to generate power in large
bulks, transmit it at very high voltage to minimize line losses, and
transform it to low voltages for safe feeding to individual customers in
The Electrician’s Notebook - Kilowatt Classroom, LLC - Elwood V. Gilliland
This Insulation Testing Reference by AEMC Instruments is a Must Read for all Instrumentation and Electrical Professionals. Even Students and Enthusiasts who want to learn more about Insulation, can find this informative. The other reference articles also are of Learning Interest. Insulation Testing is a Part of Power, Energy, Green, Solar Systems as well. It is an Important part of Product Safety.
Read - Understanding Insulation Resistance Testing
AEMC is an industry leader in current measurement probes, power quality analyzers, ground resistance testers and insulation resistance testers. It was Founded in 1893.
AEMC Instruments - 200 Foxborough Blvd., Foxborough, MA 02035 USA
Seen above is the Megohmmeter from AEMC. 6505 is a portable battery/mains powered instrument in a rugged field case.
This Features include automatic calculation and presentation of the Dielectric Absorption Ratio (DAR) and Polarization Index (PI). The Model 6505 displays the test voltage, insulation resistance and the leakage current during the test.
Chroma Systems Solutions, Inc. (CSS) is a US Corporation in a joint partnership with Chroma ATE of Taiwan. Sales and Service support at Chroma's facility in Lake Forest, CA. Includes Stock of Product Line. - http://www.chromaate.com/
Chroma - Energy Instruments and Systems - https://www.chromausa.com/
Products Include - AC Power Sources, DC Power Supplies, DC/AC Electronic
Loads, Digital Power Meters, DMM, Electrical Safety Compliance Testing
Tools and ATE Automated Test Systems.
Chroma Modular 63600 DC Electronic Loads with Constant Impedance Mode
are designed for testing multi-output AC/DC power supplies, DC/DC
converters, chargers, batteries, adapters, and power electronic
components. Excellent for research, development, production, and
incoming inspection applications.
Chroma Systems Solutions, Inc.
19772 Pauling, Foothill Ranch, CA 92610, USA.
Manufactures automation and control products related to Electrical Power
Systems. They include metering devices, protective relays,
communications hardware and software. Standard products like circuit
breakers and power panels too.
Eaton - Energy and Power Management - https://www.eaton.com/
Electrical solutions and engineering services for distribution, generation, and quality control of Electrical systems.
Surge Protection Products
Eaton offers a comprehensive family of surge products for use at service
entrances. These products can help protect sensitive electronics
against the damaging effects of surges.
Two stages of surge suppression are recommended to provide the best
protection for electronic equipment. Two-stage surge suppression should
be provided for all cables entering a home, including power, Internet
Eaton offers Cutler-Hammer Brand electrical control, power distribution, and industrial automation products and services.
Programmable Logic Controllers
Eaton's Electrical Sector
1000 Cherrington Parkway Moon Township, PA 15108, USA