Understanding and interpreting NFPA 72 Fire Alarm and Signaling Code questions is key to passing your electrical examination. Can you answer the following question with ease? Question: A manually operated box for separately transmitting a fire alarm signal and a distinctive guard patrol tour supervisory signal can best be described as which of the following? A. […]
Understanding how to calculate total resistance when multiple resistances are in parallel is key to determining the total amperage in circuits supplying parallel branches. Can you answer the following question with ease? Question: Find the total amperage for a four branch parallel circuit, supplied by a 240 volt single-phase source if the resistances per branch […]
Understanding the OSHA regulations governing electrical installation, maintenance and repair is vital to achieving a passing score on your electrical exam. Can you answer the following question with ease? OSHA 29 Part 1910 covers the operation and maintenance of electric power generation, control, transformation, transmission, and distribution lines and equipment. These provisions apply to which […]
Understanding how to answer fiber optic related questions is key to passing your electrical exam. Can you answer the following question with ease? Question: Fiber optic signal transmission offers which of the following advantages:: I. It provides very wide bandwidth. II. The fiber offers electrical isolation between the transmitting and receiving end. III. Light used […]
Your ability to answer electrical code and calculation based questions is crucial to passing your exam. But did you know that business and law related questions are included on many electrical exams? Can you answer the following business law related question with ease? Question: Which of the following are the typical elements found in a […]
To effectively use key words in exam questions to locate code reference answers you need to be able to quickly identify the key words in the question. Can you identify the key words in the following question with ease? Question: How many 20 ampere branch circuits are required to supply 500 feet of fixed multioutlet […]
In addition to preparing to answer electrical code, theory and calculation based questions many testing authorities include business law and project management questions as part of the electrical examination. Can you answer the following question with ease? Question: The disadvantages of a general partnership include which of the following: I. Unlimited personal liability of general […]
Preparing to pass your electrical exam means preparing to use the wire size equation calculations to answer exam questions. Can you answer the following question with ease? Question: What size THW conductor is required to supply a 30 amp load 180 ft. from its’ single-phase 120 v load? A. #10 gauge B. #8 gauge C. […]
Code exceptions are easy to overlook and even easier to misapply. Can you identify the code exception that applies to the following question? Question: The metal frames of electrically heated appliances operated at over 150 volts to ground and exempted by special permission ______________required to be connected to an equipment grounding conductor. However the frames […]
Understanding where to locate and how to interpret NEC requirements for the identification of neutral conductors is vital to passing your electrical examination. How would you answer the following question: Insulated neutral conductors #6 AWG or smaller must be identified by which of the following means? A. Continuous white outer finish B. Continuous gray outer […]
