![]() Equipment that is not marked to indicate a division or is marked as division 1 is _ Suitable for both divisions 1 and 2 The class and material group classification where combustible metal dusts such as magnesium are present is Class 2, Group E In a hazardous location, class 1 is a location that A contains flammable gases In a hazardous locations, class 3 is a location that Contains ignitable fibers or flyings A location in which easily ignitable fires are manufactured is a Class 3, division 1 A location in which ignitable flammable, flammable liquidproduced vapors Class 1 Is the amount of electricity required at a given time Demand For the calculations required in article 220, the total area of an occupancy is determined from the _ dimensions of the building or structure Outside Feeders for several motors are calculated using the sum of the table flics of all motors plus _ % of the largest motor 125% For a single-family dwelling with six appliance load, demand factors may be applied to _ of these loads using the standard calculation All six Using the standard calculation, four or more appliance which are fastened-in- place in a one- family dwelling are computed at_ of the total load for all appliances. Anything that isn't green white or gray All 120- volt kitchen receptacles in the kitchen of a school cafeteria are required by the NEC to be GFCI protected True Refer to NEC 500.8 generally, equipment for use in hazardous locations shall be marked to show the environment for which it has been evaluated. Watertight A 1900 (4_square or 4x4 square) box with a cover that is installed above a drywall ceiling is considered Not accessible A fluorescent luminaire is an example of a device False The illuminated marquee sign for a theatre would be considered to be a _ load Continuous If a motor and the disconnecting means ( safety switch) are located in the same room and 60 feet apart, these_ considered to be within sight (of each other) per the NEC Are not Which of the following conductor materials are recognized by the NEC Aluminum, copper, copper-clad aluminum (all of these) Improper electrical terminations lead to increased Circuit resistance, also voltage dropped across the terminations Some wire nuts are listed for direct burial underground True Per section 110.26(A)(1) in the NEC, where the wall opposite a panel board is a metal door condition _ applies to the clearance requirements 2 The neutral of an electrical system is always carrying the unbalanced current of that system True The NEC permits the insulation for an ungrounded conductor to be _in color. ![]() Provisions in other chapters do not apply unless directly referenced in chapter 8 Communication systems The authority having jurisdiction has the responsibility For enforcing the NEC, For approving equipment installations, also for granting special permission Annex _ in the NEC contains examples of load calculations for dwellings D How long does something need to run to be a continuous load 3 hours _ equipment is constructed so that water will not enter it. Chapter 8 in the nec covers _ and is independent of the other nec chapters. Which of the following installations Are covered by the NEC? None of the above Is the conduit between the lighting peoples covered by the NEC? The street lightning and conduit were installed in the utility easement as shown in the drawing a the right and is under the control of CenterPoint energy.(utility company) No. ![]() How many 20-amp kitchen countertop Receptacle 0 In NEC article 500.8, equipment marked for use in a class 1 locations and has a marked temperature classification of T3B is suitable for use in environments with a maximum surface temperature of 329F Protection against _ is addressed by the requirements in the NEC Fault currents effects, Thermal, Electric shock.
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