Quizzes

Safety
By Wesley L. Wheeler
This month, ELECTRICAL CONTRACTOR is profiling the electrical contractor, so let’s look at a few of the components in an electrical contractor’s safety program.
Cabling
By Jim Hayes
As they say, the devil is in the details. Knowing the little things that count can help get the job done, and save time and money. Let’s look at some little things that matter for fiber optics.
National Electrical Code
By Michael Johnston
Per the National Electrical Code (NEC), electrical equipment must be rated for voltage and ampacity, and it is required to carry normal current and the amount of available fault current during ground-fault or short-circuit conditions. Warnings also must be on equipment that is likely to need examination, adjustment, servicing or maintenance while energized.
Systems
By Thomas P. Hammerberg
Now that the 2015 edition of NFPA 4, Standard for Integrated Fire Protection and Life Safety System Testing, has been adopted in the 2018 codes, let’s see what you know about integrated systems testing requirements.
Cabling
By Jim Hayes
Nothing makes a job easier than having the right tools. The Fiber Optic Association is updating its recommended tool list for trainers. In the process, I have learned about “old reliable” tools and the new tools available to help the fiber technician.
Safety
By Wesley L. Wheeler
May is National Electrical Safety Month, and in honor of OSHA’s annual National Safety Stand-Down to Prevent Falls in Construction, which is May 7–11, here are some fall protection questions to consider.
National Electrical Code
By Michael Johnston
Conductors and equipment covered by the National Electrical Code (NEC)—including prefabricated systems and installations—are required to be approved. NEC tables help Code users accurately apply the requirements. Rules that appear in tabular form and without exceptions provide precise values and information. Use of the tables requires gathering required information and determining the corresponding value within the applicable table.
Systems
By Thomas P. Hammerberg
Check your knowledge of audible and visible notification appliance requirements of the 2016 NFPA 72.
Safety
By Wesley L. Wheeler
To comply with OSHA regulations and other standards such as NFPA 101, Life Safety Code, and NFPA 70, National Electrical Code, lighting installed in temporary and permanent locations has to meet specific safety requirements.
Cabling
By Jim Hayes
In fiber optics, color codes relay a lot of vital information. They help electrical contractors determine which fiber, cable or connector they are working with and ensure the installation is correct. How well do you know fiber optic color codes?