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ANSWERS.
Master Electrician License 182 ACTUAL
ANSWERS.
If the cover for an underground pull box used for circuits over 600v is not locked, bolted, or screwed into place, then it must weigh equal to - ANSWER-100 pounds The maximum total voltage droop on a branch circuit is - ANSWER-3% the floors of vaults in contact with the earth shall be of concrete that is not less then - ANSWER-6 inches thick according to the NEC bare live parts are guarded from the public in the following methods except - ANSWER-protected by fireproof curtain equipment associated with the electrical installation can be located above or below other electrical equipment within their working space when the associated equipment dose not extend more then - ANSWER-6inches when the code uses the words it means the identified actions are allowed but not required, and may be optional - ANSWER-shall be permitted a 120 volt 15-20 amp receptacle shall be located with in of air conditioning and refrigeration, heating systems - ANSWER-25 feet in the NEC the words. indicate a mandatory requirement - ANSWER-shall not or shall be permitted as per New York city code in addition to the number of circuits required in a dwelling unit an individual branch circuit shall be provided for each receptacle - ANSWER-air conditioner the dimensions of working space for access to live parts operating at 300 volts normally to ground where exposed to live parts on both sides of the workspace is - ANSWER- 4 feet when leads are supplied with lampholders with lamp holders the conductor attached to the screw shell shall have a finish - ANSWER-white or gray how many receptacles are required within the perimeter of the balcony, deck or porch with the useable. area of 20 sq ft - ANSWER-one
ANSWERS.
where conductors of different systems are installed in the same raceway, one system shall have a neutral having an outer covering of white or gray and each other system having a neutral shall have another covering of - ANSWER-white with a color stripe other than green outlets may be installed in a dwelling unit for specific appliance such as laundry equipment. the maximum distance between this outlet and appliance - ANSWER-6 feet on a 4 wire delta system where the midpoint of one phase winding is grounded only the conductor shall have a higher phase voltage to ground. the conductor shall be marked - ANSWER-orange where this code specifies that one equipment shall be ''in sight from'' ''within sight from'' or ''within sight of'',and so forth, another equipment, the specified equipment is to be visible and not more than distance from the other - ANSWER-50 feet a door used by personnel to exit the work space that is less than 25 feet from the work space shall - ANSWER-swing outward with simple ease the authority having jurisdiction has the responsibility - ANSWER-for making interpretations of rules where rear access is required to work on de-energized parts on the back of enclosed equipment a minimum working space of horizontally shall be provided - ANSWER- 36 inches for equipment rated at 1200 amps or more and over 6 feet wide that contains overcurrent devices, switching devices, or control devices. there shall be one entrance to and egress from the required working space not less than 24'' wide and high at each end of work space. - ANSWER-6' 6'' receptacles outlets in floors shall not be counted as part of the required number of receptacles outlets unless located within of the wall - ANSWER-18'' the number of receptacles outlets for guest rooms in hotels and motels shall not be less than that required for a dwelling unit. these receptacles can be located to be convenient for permanent furniture layout but at least receptacles outlets shall be readily accessible. - ANSWER-two at least one receptacle outlet shall be installed within of the top of a show window for each 12 linear feet measured horizontally across its length - ANSWER-18"
ANSWERS.
To guard live parts over 50V but less than 600V, equipment is permitted to be ______ - ANSWER-located in a room only accessible to qualified persons, located on a balcony accessible only qualified persons, and elevated 8ft or more above floor or other working surfaces How many receptacles are required within the perimeter of a balcony, deck, porch with an unusable are of less than 20 SQ feet - ANSWER- 1 Overhead feeder conductors shall have a minimum_________ vertical clearance over residential property and driveways, as well as those commercial areas not subject to truck traffic, where voltage is limited to 300 volts- to- ground - ANSWER-12 feet Where rear access is required to work on de-energized parts on the back of enclosed equipment, a minimum working space of________ horizontally shall be provided - ANSWER-36 inches What is the maximum run length of an 18 AWG fixture wire that is tapped onto s 20 amp branch circuit? - ANSWER-50' When the service disconnecting means power-operated switch or circuit breaker, it shall be able to be opened by hand in the event of a _____ - ANSWER-power supply failure For equipment rated 1200 Amps or more and over 6ft wide that contains overcurrent devices, switching devices, or control devices, there shall be one entrance to and egress from the required working space not less than 24in. wide and ______ high at each end of the working spaced - ANSWER-6ft 6 in Conductors are considered outside buildings when they are buried under not less than__________ - ANSWER-2 inches In straight pull, the length of the box shall not be less than ________ times the trade size of the largest raceway - ANSWER- 8 At least one receptacle outlet shall be installed within_____ of the top of a show window each 12 linear feet measured horizontally across its length - ANSWER- 18 Auxiliary gutters shall be supported throughout their entire length at intervals not exceeding Feet if of sheet metal type - ANSWER-5 feet Equipment installed in hazardous locations shall be marked to show the - ANSWER- Class , temp , group
ANSWERS.
Indoor Electrical vehicle charging sites less specified listed for the purpose of and location the couping means of the electrical vehicle supply equipment shall be stored located at the height of not less than blank and no more than 4 feet - ANSWER-18" AC or DC general use snap switches maybe use for control of inductive loads not exceeding blank percent of the amperage rating of the switch at the applied voltage - ANSWER-50 % New York City Department of buildings approved manufacturing wiring methods shall be used only for - ANSWER-Lighting circuits above and accessible hung ceiling or where no finished ceiling exists Type blank fuse adapters shall be designed so that once inserted in a fuse holder they cannot be removed - ANSWER-Type s Panelboards equipped with snap switches rated at 30 A or less shall have over current protection not exceeding - ANSWER-200 amps The number of receptacle outlets for guest rooms in hotels and motels shall not be less than that require for a dwelling units.these receptacles can't be located to be convenient for permit furniture layout. but at least blank receptacle outlet shall be readily accessible
- ANSWER-Two And equal potential plane in an agricultural building shall be connected to the electrical grounding system with a copper insulated covered or bare conductor and Not small then
- ANSWER-# 8 A door used by personnel to exit the workspace that is less than 25 feet from the workspace shall - ANSWER-Swing outward with simple pressure boxes installed in carnivals shall be designed so that no live parts are exposed to accidental contact. where installed outdoors the box shall be a weatherproof construction and mountains so that the bottom of the box is not less than blank above the ground - ANSWER-6" the conductors use to connect the surge protection device to the line or bus and to ground shall be any shall not be any longer than blank and shall avoid unnecessary bends - ANSWER-Necessary Cables with entirely nonmetallic sheaths (Romex) shall be permitted to enter the top of the surface mounted enclosure for one or more non-flex race no less than - ANSWER- 18"
ANSWERS.
A three phase 4 wire blank power system used to supply power to nonlinear loads may cause the power system design allows for the possibility of high harmonic current on the neutral conductor - ANSWER-Wye connected Where two or more branch circuits supply devices or equipment on the same yoke a- means to disconnect simultaneous all ungrounded conductors that supply those devices or equipment shall be provided - ANSWER-At the point where the branch circuit originates All 15 and 20 amp 120 Installed the bathroom of. Shall have GFCI protection - ANSWER-Dwelling units hotels office buildings GFCI Protection shall be provided for all 15 and 20 amp 120 V receptacles installed in dwelling units - ANSWER-Garages GFCI protection shall be provided for 15 and 20 amp receptacles in dwelling units associate buildings that have a floors located at or below grade level not intended as. And limit to storage areas work areas or similar use - ANSWER-Habitable rooms All 15 and 20 amp 125 v receptacles installed in craw spaces at or below grade level in dwelling the shall have GFCI protection - ANSWER-True All 15 and 20 amp 125 or volt receptacles installed in blank of dwelling units shall have GFCI protection - ANSWER-Unfinished basement GFCI protection shall be provided for all 15 and 20 amp 125 V. In dwelling unit kitchens
- ANSWER-For all receptacles GFCI protection shall be provided for all 15 and 20 amp 125 V receptacle located within 6 feet of the dwelling unit - ANSWER-Sinks All 15 to 20 amp 125 all receptacles of commercial occupancy shall have a GFCI protection in - ANSWER-Bathrooms rooftops in kitchen Ground fault circuit interrupt her's protection Shelby provided for all atlas not exceed 240 V at supply boat voice installed in dwelling unit locations - ANSWER-True Two or more. Small appliance branch circuits shall be provided to supply power outlets in dwelling units kitchen dining room breakfast room or similar dining areas - ANSWER- 20 amp There shall be a minimal of one blank branch circuit for the laundry outlet required by - ANSWER-20 amp
ANSWERS.
An individual 20 amp branch circuit can supply a single dwelling units bathroom outlets and other equipment within the Bathroom - ANSWER-True All 15 or 20 amp 120 V branch circuit that supply outlet in dwelling units family room dining room living room parlors libraries Dens bedrooms sunrooms recreation room parlors halls or simular rooms or areas shall be arc fault protected by arc fault circuit interrupters Loftus the combo type - ANSWER-True I where branch circuit supplies continues loads or any combination of continuous and noncontinuous load the rating of the overcurrent device shall not be less than125%of the continuous load. - ANSWER-True The receptacle installed and individual branch circuit shell have an impasse a reading no less than that of the branch circuit - ANSWER-True 20 amp Branch circuit supplies multiple receptacles the receptacles shall have a ampere rating no less than - ANSWER-15 amps When connected to a branch circuit supplying two or more 15 amp receptacles each receptacle shall not supply a total cord and plug connection load in excess of - ANSWER-15 amps Each multiwire branch circuit shall be provided with a means that will simultaneously disconnect all blank conducted at the point where the branch circuit originates - ANSWER-Ungrounded Multiwire branch circuits Shall - ANSWER-Supply only line to neutral The ungrounded and grounding conductors of each blank shall be grouped by wire ties or similar mean in at least one location with in the panel board or other points of orientation - ANSWER-Multiwire branch circuit More than one normal volt system existing in a building each conductors Shall be identify by phase and system at all terminations connection - ANSWER-Ungrounded In dwelling units the bolded between conduct this supply the terminals of flank turn on exceed 120 V noble - ANSWER-Luminaries motors cord and plug Ground-fault protection of equipment shall be provided fro solidly grounded wye electrical services of more than 150 volts-to-ground, but no exceeding 600V phase-to- phase for each service disconnecting means rated ________ - ANSWER-1,000 A Receptacle outlets in floors shall not be counted as part of the required number of receptacle outlets unless located within _______ of the wall - ANSWER-18"
ANSWERS.
Lightning systems covered by Article 411 shall have a power supply rated not more than _____ and not more than 30 V - ANSWER-25 A Temporary electrical power and lightning installations shall be permitted for a period not exceeding_______ days for Christmas decorative lightning and similar purposes - ANSWER- 90 A limited care facility is an area used on a _________ basis for the housing of four or more persons who are incapable of self preservation because of age, physical limitations due to accident or illness, or mental limitations, mental illness, or chemical dependency - ANSWER-24 hours As per NYC NAEC i addition to the number of branch circuits required in a dwelling unit an individual branch circuit shall be provide for each _____ receptacle - ANSWER-Air Conditioner Lightning systems operating at 30V or less shall not be installed within _____ of pools, spas, fountains, or similar locations - ANSWER-10 Feet What is the spacing of CATV cable over lighting conductors - ANSWER-6' A HVAC unit is to be connected and needs a ignitor coil. How many circuits does it require - ANSWER-1 circuit Heater wire colors - ANSWER-208 v is blue 240 volts red welders max over current protection - ANSWER-200% min size ground wire comm - ANSWER-# 12 box with PVC fittings - ANSWER-top must be water proof seperately derived system jumper - ANSWER-system bonding jumper aluminum ground attached to ground rod - ANSWER-18' above earth SE cable for services - ANSWER-Installed in rigid pipe pendant light hazardous location - ANSWER-rigid pipe what is true about disconnect switches snap switches - ANSWER-2x full load amps fill of a 24'' nipple - ANSWER-60 %
ANSWERS.
fill of a 30'' nipple - ANSWER-30 % temp of a transformer room nyc - ANSWER-104* what is a effect of a supplemental ground in a hospital besides isolated ground - ANSWER-metal raceway variable loads - ANSWER-125% fixed loads - ANSWER-250% Service buss - ANSWER-10' service buss - ANSWER-no vent on top service buss - ANSWER-alum enclosure network compartment - ANSWER-two means of egress class 1 div 1 - ANSWER-MI cable class 1 div 2 - ANSWER-pltc conduit fill for more than 2 conductors - ANSWER-40 % height of a fence for equiptment - ANSWER-8' min size inter system bonding conductor is - ANSWER-#6 wire what is the correction factor for conductors 1/2 '' above roof - ANSWER-60% conductors located on roof must be - ANSWER-sunlight resistance how manny neutrals can be shared on a 4 wire or 5 wire circuit - ANSWER- 2 how manny neutrals can be shared on 3 sets - ANSWER-1 neutral what is the max voltage for signal and remote control circuits - ANSWER-30 volts. and 1000 volt amps motor and heaters in a industrial building how do you determine supply conductors ampacity - ANSWER-125% of HTR 125% of largest motor 100% of all other motors low voltage lighting 30 volts what is the max branch circuit - ANSWER-20 amps
ANSWERS.
min size feeder in a dwelling unit - ANSWER-# ferromagnetic envolope - ANSWER-ground both ends bond at joints min distance for a disconnect switch for hot tub - ANSWER-5' open conductors min height - ANSWER-10' type 3 TVSS - ANSWER-load side of service 30' distance from service when do you need to derate conductors - ANSWER-over 3 current carrying conductors cables in concreat - ANSWER-16.5 watts per foot nameplate of hermetic refrigerant - ANSWER-115% of nameplate max bend radius of AC cable - ANSWER-5x FCC cable - ANSWER-flat cable under carpet Min size service lateral - ANSWER-# ground for under 1KW surge aresster - ANSWER-# ground for over 1 KW surge aresster - ANSWER-#6 ground fixed hospital equipment max over current protection - ANSWER-30 amps portable X ray equipment max over current protection - ANSWER-60 amps
