Noah Year 2: Exam 1
Which of the following requires that a GFPE device be installed?
277/480 volt, 3, 4-wire switchgear with a 1200- Amp Main Breaker
Given a dwelling with 1500 square feet of livable space plus an 800 square foot garage what is the minimum number of 120 Volt, amp lighting circuits required?
3
Where installed in a 3 pole 600 Volt fuse safety switch the minimum number of fuses required to protect a 277 /480 volt 3-ph 4-wire branch circuit is _____.
3
If you use 25% of the conduit from the storage rack how many feet of conduit will y7ou have remaining on the rack? You started with 580 stacks of pipe that are each 10 feet long.
4350
Which is smaller? 75% or 5/8?
5/8
100 hp equals _______ kW
74.6
A 10 horsepower motor uses ______ watts of electricity.
7460
Which of the following is not a standard fuse?
75 amp
There are 67 questions on an exam. If you miss 8 of these questions your grade is _____.
88%
TRUE or FALSE: A bare conductor can be used for a grounded conductor where it is installed in conduit with branch circuit conductors.
False
On the BCES project, CHP-1 is fed from panel ______.
HE
High (on the order of hundreds or thousands of amps) current levels are associated with________.
"b" and "c" only (short-circuits and ground-faults)
One set of 500 AL conductors is feeding a service with a 300 amp main breaker. What is minimum required size of the copper main bonding jumper?
#2
Conductors ____ and larger shall be stranded when installed in raceways.
#8
Where installed in a 3 pole 600 Volt fuse safety switch, the minimum number of fuses required to protect a 120 volt 1-ph 2-wire branch circuit is _____.
1
general lighting loads for a courthouse shall be calculated at______ VA per square foot.
1.4
For BCES, the minimum size galvanized threaded rod that can be used to support suspended transformers is _____-inch
1/2
What size branch circuit THWN copper conductors must be installed to supply a 4,500-watt, 240 volt baseboard heater?
10 AWG
In each kitchen and dining area a receptacle outlet shall be installed at each counter space ___ inches or wider.
12
Refer to Figure 203.5. The minimum clearance at C , above the sidewalk, is _______ feet for this 120/240 volt, 3, 4 wire quadruplex drop.
12
The maximum number of a 3 pole circuit Breakers permitted in a lighting and appliance panelboard enclosure is ________.
14
Refer to Fig.203.5. Where trucks are permitted in the parking lot, the minimum clearance A, is _____ feet for this 120/240 volt, 3, 4 wire quadruplex drop.
18
A 19.7 kW boiler is heated at its rated voltage when connected to a 2-pole breaker in a 120240 volt panel. The smallest copper THHN/THWN conductors permitted to feed this equipment is _____ AWG (Terminations are rated at 75 degrees C)
2
A building or structure shall only have one service. additional services shall be permitted where the capacity requirements are in access of __________ amperes at a supply voltage of 1000 volts or less.
2000
A service is to be built on the base support pole of a two-sided billboard. Two 2 wire branch circuits provide power to the lights. Each circuit illuminates one side and will be loaded to 6 amps. The minimum ampacity for the ungrounded service conductors is ____ amps.
30
Where rock bottom is encountered, rod and pipe electrodes shall be permitted to be buried in a trench that is at least______ inches deep.
30
A 14" wide 100 amp service equipment panelboard is installed on the wall in the basement of a building. The Code requires that a space of at least _______ be maintained about this panelboard.
30"
Refer to scenario 205.2 period the smallest EGC that can be run is a_______ AWG.
4
What is the depth of working space of a 480 volt, 3 phase panel which has another 480volt 3 phase panel on the oth3er side of the working space?
4'
A 120 /240 V one-phase 3-wire service panel with three 1 AWG copper conductors. The minimum size grounding electrode conductor's connected to building steel is______ AWG
6
Referring to figure 205.10, the 200-A safety switch contains 175 amp fuses. the raceways used between the switch and the motor contain 3 four AWG conductors. the minimum size of the bonding jumper/EGC between the safety switch and the motor is _______ AWG
6
An enclosure that will be used outdoors and will be subjected to prolonged submersion shall have a NEMA rating of ________
6p or Gp
Which of these wiring methods is NOT permitted to be used for service-entrance conductors?
AC cable
In a run of conduit, when couplings and connectors are loose this will ______________ the amount of time required for a circuit breaker to open when a ground fault occurs.
Increase
A fused pull out disconnect is permitted to be installed in which of the following locations?
Mechanical room in a college
Using figure 205.1, the conductor shown at Point III (3) is
The main bonding jumper
Which of the following is NOT requir3eed on a motor nameplate?
Watts
Using figure 205.1, the conductor shown at point II (2) is
a grounded conductor
Copper conductors are installed between a main breaker service panel and a main lug only subpanel. The conductors between the two panels are protected against ______ currents.
all of these (ground-fault, short-circuit, and overload)
Using figure 205.1, the conductor shown at Point IV (4) is
an equipment grounding conductor
Referring to Figure 203.1, the conduit at Point A is considered to be ________ the building per the NEC
outside
Where a 250 KCMIL copper GEC is not subject to physical damage, it _________
either a or b ( can be run exposed if properly supported, can be ran inside properly supported schedule 40 PVC)
The conductors at Point A in Figure 203.10 are protected against_______.
overload
All conductors in a multiwire branch circuit shall orgininate from the same ___________.
panelboard
The connection point between the facilities of the serving utility and the premises wiring is called the _____.
service point
