It’s like a mini-VPN that uses iCloud to protect your online privacy. ISPs (internet service providers) can generally track your IP address and your DNS records to learn about where you are from and ...

There’s always some risk associated with linking your email ID to websites you frequently visit. Your email address could be passed to some other websites that may ...

When you are used to working with semiconductor devices, the data sheets for relays may pose some problems. What do terms like ‘Operate Voltage’ and ‘Release Voltage’ mean, for example? When you are ...

Over the years, control relays of various types have been used by the hundreds — even thousands — to control nearly every function in commercial and industrial processes. Today, many of those ...

Potential relays are commonly found on many smaller, single-phase, capacitor-start, capacitor-run motors in the HVACR industry. Their function is to assist in starting the electric motor. Potential ...

Khamosh Pathak is a freelance tech journalist with over 13 years of experience writing online. An accounting graduate, he turned his interest in writing and technology into a career. He holds a ...

Last column, I wrote about various applications where fire alarm relays could be used to integrate a commercial fire alarm system with other electrical systems at a customer’s site to provide them ...

Relays are electromechanical devices that use a magnetic solenoid to actual a switch. When current is passed through the solenoid coil, it produces a magnetic field. The magnetic field is strengthened ...

Power systems today operate in an environment where reliability and safety must be maintained despite rising loads, expanding interconnections, and increasing dependence on distributed energy ...