The conductors are terminated at a through-the-roof raceway or approved support. The equivalent of ____ is the maximum allowed between pull points. This tab has been removed to allow separate feeds of each outlet. As long as you can remove the trim and access the junction box it will be considered readily accessible! Evaluate the indefinite integrals in this exercise by using the given substitution to reduce the integral to standard form. Location Damp A. ); Power conductors alone or above communication conductors: Communication conductors below power conductors -- same as power conductors; and. Overhead service conductors may not be installed beneath openings through which materials may be moved, such as openings in farm and commercial buildings, and may not be installed where they will obstruct entrance to these building openings. Decreased bending radius during operation, Which of the following is a term missing from the National Electrical Code but used by manufacturers of equipment that's suitable for use as service equipment? main bonding jumper 2). Label your diagram. f(x)=4x+53f(x)=\sqrt{4 x+5}-3 These overcurrent devices may not be located where they will be exposed to physical damage or in the vicinity of easily ignitable material. Therefore, So a telephone occupies a circuit for, A: A circuit breaker is a kind of electrical switch which is used to protect an electrical circuit from, A: A power station is to provide electricity to a huge number of people. The maximum number of conductors applies only if the box does not contain any ____. 1910.304 - Occupational Safety and Health Administration FLAC NEC Whi MULTIPLE CHOICE 1 Wiring components are considered accessible if(t) access can be gained without damaging the structure or finish of the building or if (2) they are ae Sledstry of the wiring here salatile in the ANS: PTS: 1 REF: Definitions 2. Thus, for voltages higher, A: 12. Grounded Conductor Cont B. An outlet intended for the direct connection of a lampholder or luminaire is called a. lighting outlet. f(x)=4x+53. Service Equipment A. 22. 18. Except for motor running overload protection, overcurrent devices may not interrupt the continuity of the grounded conductor unless all conductors of the circuit are opened simultaneously. For fire pumps, conductors may be protected for short circuit only; and. However, receptacles of cord- and plug-connected arc welders may have ampere ratings not less than the minimum branch-circuit conductor ampacity. Lighting Outlets A. Courtesy ofwww.MikeHolt.com. The continuity of the equipment grounding conductor shall be continuously monitored so as to deenergize automatically the high voltage feeder to the portable equipment upon loss of continuity of the equipment grounding conductor. Overcurrent protection shall not exceed _____. Ground is defined as earth. 1. contiguous. . Primary Conductor = 6 AWG conductor rated 65A at 75C [Sec. Bonding means that everything is connected or conductivity of the electron through wires. Overcurrent devices shall be readily accessible to each employee or authorized building management personnel. Power conductors below communication conductors -- 762 mm (30 in. In the 2014 NEC, the definition of readily accessible in Article 100 was revised to make it clear that something is not readily accessible if a tool is needed to gain access to it. LOCATED WITHIN A GROUNDED JUNCTION BOX. 28(7x2)5dx,u=7x2, A(n) ____ is a device intended to provide protection from the effects of arc faults by recognizing characteristics unique to arcing. A receptacle outlet shall be installed wherever flexible cords with attachment plugs are used. Exposed runs of Type AC cable installed on the underside of joists must be supported at ____. Based on the 2020 NEC. It is a system in which exchange the information between two node or points., A: Delay skew is the difference between the propagation delay on the fastest and slowest pairs in a UTP, A: Although, maximum fuse or circuit breaker size =, 4.a. The word luminaire refers to . NEC NFPA 70 Flashcards | Quizlet A transformer must have a disconnect within sight of the transformer unless the disconnect location is field marked on the transformer, and the disconnect is capable of being locked in the open position per Sec. Installations built before August 13, 2007, Installations built on or after August 13, 2007, Circuit breakers used as switches in 120-volt and 277-volt, fluorescent lighting circuits shall be listed and marked "SWD. Next we will jump to 240.24 Location in or on Premises. Equipment found damaged or defective shall not be used until repaired; The following tests shall be performed on all cord sets and receptacles which are not a part of the permanent wiring of the building or structure, and cord- and plug-connected equipment required to be grounded: All equipment grounding conductors shall be tested for continuity and shall be electrically continuous; Each receptacle and attachment cap or plug shall be tested for correct attachment of the equipment grounding conductor. communications system installation.C. A circuit breaker with a straight voltage rating, such as 240 V or 480 V, may only be installed in a circuit in which the nominal voltage between any two conductors does not exceed the circuit breaker's voltage rating. Article 450 of the National Electrical Code (NEC) opens by saying, This article covers the installation of all transformers. Then it lists eight exceptions. Is other equipment in there? Location Wet A. This Note does not require the next size up protection; it permits the next size up. The frame of a portable generator need not be grounded and may serve as the grounding electrode for a system supplied by the generator under the following conditions: The generator supplies only equipment mounted on the generator or cord- and plug-connected equipment through receptacles mounted on the generator, or both; and. in 305 mm (12 in.) National Electrical Code Basics: Overcurrent Protection Part 2 located adjacent to the equipment where access is achieved by the use of portable means. National Electrical Code Basics: Overcurrent Protection Part 5