In September 2012, both UL and ULC withdrew certification for Electrical ...

Question Does UL certify paint spray booths? Does UL provide a ...

The first time I came eye to eye with a 600-volt ...

Some of the most commonly used, but often misunderstood and misapplied ...

There were 120 proposals submitted to raise the 600-volt threshold in ...

In Part One of Article 240, we left off with a ...

The fourth edition of the SPE-1000 Model Code for the Field ...

Question Grounding and bonding termination points in dry-type transformers are seemingly ...

Question A parallel conductor branch circuit is run from a switchboard ...

Speed, torque, and horsepower are three interrelated parameters in motor control. ...