Drawing is a form of art that helps bring out the details and beauty in even the simplest picture. The first thing you need to do is to contact your state licensing organization and deter- mine the requirements for licensure in your area. Section 210.12(A) verifies AFCI protection is required for all 120-volt, 15- or 20-ampere branch-circuits that supply outlets in kitchens in dwellings. Texas Journeyman Industrial Electrician Practice Test This practice test contains over 900 pages (over 2,600 questions) and includes answer keys. In compliance with Section 210.52(C)(5), receptacle outlets installed for countertop or work surfaces in dwelling units may be located on or above, but not more than 20 in. Copyright © 2009-2020 Tests.com LLC - All Rights Reserved above the countertop or work surface. The intent of this rule is to ensure enough conductor slack for the terminal connections or splices to be made easily.
of free conductor is to be left at each junction box for splices or the connection of luminaires or devices. Table 240.6(A) illustrates the standard ampere ratings for fuses and circuit breakers. Which of the following is not a type of service disconnect? Part IV of Article 690 covers the wiring methods specified for use on solar photovoltaic (PV) systems arrays. The intent of Section 230.26 is to provide adequate vertical clearance of the conductors and prevent physical damage to the conductors and prevent persons from making accidental contact with the conductors which may create a shock hazard or electrocution. The table is based on an ambient temperature of 86°C and not more than 3 current-carrying conductors in the raceway. To prevent overheating receptacles, a receptacle shall not supply a total cord-and-plug-connected load in excess of the maximum specified in Table 21(B)(2), where connected to a branch circuit supplying multiple receptables or other outlets. Part II of Article 240 explains the permitted location requirements for overcurrent devices. To solve this problem first locate the conductor size on the left side of Table 310.15(B)(16) and look under the copper THWN column with a temperature rating of 75°C and note the ampacity of the conductors is 115 amperes. Because of the presence of water and grounded surfaces that contributes to a potential shock hazard, Section 210.8(A)(7) confirms any 125-volt, 15- or 20-ampere receptacle installed within six (6) feet of a sink is required to be GFCI protected. To prevent overheating receptacles, a receptacle shall not supply a total cord-and-plug-connected load in excess of the maximum specified in Table 21(B)(2), where connected to a branch circuit supplying multiple receptables or other outlets. Electricians Licenses United States.3. No one should be required to stand on different treads on a stairway to replace, repair, maintain, install, troubleshoot, or reset overcurrent devices in a panelboard or switchboard located in a stairway. As explained in Section 330.5, the inside of all raceways and enclosures located underground is classified as a wet location. A circuit breaker with an ampere rating of 75 amperes is not a standard ampere rating. Step-by-step examples are used to simplify complex calculations. Section 210.12(A) verifies AFCI protection is required for all 120-volt, 15- or 20-ampere branch-circuits that supply outlets in kitchens in dwellings. The provisions in Part II of Article 680 apply to the installation of wiring methods and equipment in or adjacent to permanently installed swimming pools. The table is based on an ambient temperature of 86°C and not more than 3 current-carrying conductors in the raceway. Electrical continuity is required for metallic conduit to establish an effective ground-fault path and facilitate the operation of the overcurrent protective device. This table shows a 15-ampere rated receptacle may carry a maximum cord-and-plug-connected load of 12 amperes under this condition. This workbook is designed for both the electrician-in-training and the experienced journeyman. Here the site consists of various practice tests to practice and test your knowledge on NEC code standard and basic electrical engineering. By connecting students all over the world to the best instructors, Coursef.com is helping individuals About The Book: A good start for the journeyman electrician test prep.
Section 690.31(C)(1) indicates open, single-conductors such as Type USE-2 and single-conductor cable listed and identified as PV wire are permitted for reach their goals and pursue their dreams In order to prevent overloading the branch circuit, as per Section 40.62(C), the total rating of the A/C unit shall not exceed 50% of the rating of a branch circuit where lighting units, general-use receptacles or appliances are also supplied. The intent of Section 230.26 is to provide adequate vertical clearance of the conductors and prevent physical damage to the conductors and prevent persons from making accidental contact with the conductors which may create a shock hazard or electrocution. Electrician Practice Tests The electrician journeyman test consists of one or more multiple choice questions on various sections of National Electrical Code and on some basic electrical devices and equipment. Part VII of Article 250 covers the general requirements for methods of equipment grounding. Part VII of Article 440 outlines the special provisions for room air conditioners which are (1) rated not over 250-volts ac, single-phase and (2) which are cord-and-attachment plug connected. Also, receptacles located more than 20 inches above countertops or work surfaces may interfere with the cabinetry to be installed. • Upon selection for apprenticeship, a pre-employment drug Branch circuit and receptacle ratings are addressed in Part II of Article 210.