Quizzes

Cabling
By Jim Hayes
As fusion-splicing machines become more affordable, single-mode fiber usage is more widespread and fusion splice-on connectors are becoming the termination method of choice. How well do you understand fusion splicing?
Safety
By Wesley L. Wheeler
In July, with pandemic restrictions easing or lifted, family and friends will get together, have reunions and go to the beach. Safety is key, and knowing emergency response procedures is crucial. Test yourself on tips we all should remember
Safety
By Wesley L. Wheeler
Being familiar with the NFPA 70E requirements for electrical safety is key to staying safe when working with and around electricity. To complement and support OSHA’s electrical requirements, NFPA 70E provides the “how” to comply with the “shall” in federal regulations.
Safety
By Wesley L. Wheeler
Being familiar with the OSHA requirements for electrical safety is everyone’s responsibility. Many OSHA electrical requirements are extracted from the National Electrical Code.
Cabling
By Jim Hayes
The new technologies in fiber optic cables and cable plant installation are the micros: microcables, microducts and microtrenching. These can make cable plant installation easier, faster and cheaper. How well do you know the micros?
National Electrical Code
By Michael Johnston
Proper use of the NEC is essential and separates the best from the rest, whether in estimating, project management or carrying out the responsibilities of a field foreman. It is important not to use slang words or terms with different meanings than those defined in the Code. Always use a “common language of communication” supported by defined terms.
Systems
By Thomas P. Hammerberg
While elevator operations have changed in recent years, how much did interfacing with fire alarm systems change? Test your knowledge and find out.
Safety
By Wesley L. Wheeler
According to the hierarchy of controls, PPE is considered the last resort. For it to function properly, it needs to be taken care of, cleaned and replaced when showing signs of overuse.
Cabling
By Jim Hayes
Every day some fiber optic network goes down. Sometimes it’s equipment failure and sometimes it’s construction damage, which we call “backhoe fade.” How well do you know how to find and fix network outages?
National Electrical Code
By Michael Johnston
Intrinsically safe circuits, per Article 100 of the NEC, are those incapable of producing an arc with enough energy to ignite a flammable or combustible material in the air under test conditions. Although Section 504.7 indicates that any wiring method could be installed, a variety of requirements apply to these circuits and systems.