The most effective tool in electrical safety is knowledge — not only knowledge of the hazards but also knowledge of how to protect ourselves and others from those hazards. Throughout my career, I have ...

The 2023 edition of NFPA 70B saw it converted from a recommended practice to the Standard for Electrical Equipment Maintenance. This NFPA 70B update will continue to work in conjunction with ANSI/NETA ...

HVAC distributor cfm Distributors recently developed a list of items to test and/or questions to ask when dealing with sites that have experienced multiple failed compressors. The first step consists ...

Revise: Electrical charge carriers Revise: Potential differences (voltage) Revise: Ohm's Law Revise: Practical electrical and electronic circuits Video playlist ...