GROUNDING ELECTRODES
WHEN INSTALLING GROUNDING RODS, WHAT TYPE OF MATERIAL IS FORBIDDEN?
ALUMINUM
A #12 AWG conductor takes up ______ cubic inches for box fill?
2.25 cu in
A MULTIWIRE BRANCH CIRCUIT CONSISTS OF TWO OR MORE UNGROUNDED CONDUCTOR WITH _______ BETWEEN THEM?
VOLTAGE
#12 AWG CONDUCTORS ARE ATED FOR _____ AMPS AS AN EQUIPMENT GROUND?
20 AMPS
ELECTRICAL SYSTEMS THAT ARE GROUNDED SHALL BE CONNECTED TO _______ IN A MANNER THAT WILL LIMIT VOLTAGES FROM LINE SURGES, LIGHTNING STRIKES, OR CONTACT WITH HIGH VOLTAGE LINES.
EARTH
THE GROUND
WHEN INSTALLING TWO GROUNDING RODS ONLY AS THE ELECTRODES, WHAT IS THE MINIMUM SIZE GROUNDING ELECTRODE CONDUCTOR REQUIRED?
#6 AWG
A #6 conductor takes up _____ cubic inches for box fill?
5
A MULTIWIRE BRANCH CIRCUIT HAS TWO UNGROUNDED CONDUCTORS AND A NEUTRAL. THE VOLTAGE BETWEEN THE NEUTRAL AND EACH PHASE CONDUCTOR IS ______?
EQUAL
#10 AWG CONDUCTORS ARE ATED FOR _____ AMPS AS AN EQUIPMENT GROUND?
60 AMPS
NAME TWO APPROVED METHODS OF CONNECTING GROUNDING AND BONDING?
LISTED PRESSURE CONNECTORS
EXOTHERMIC WELD
OTHER LISTED MEANS
MACHINE SCREWS
WHEN INSTALLING A UFER GROUND ONLY AS THE ELECTRODES, WHAT IS THE MINIMUM SIZE GROUNDING ELECTRODE CONDUCTOR REQUIRED?
#4 AWG
THREE #14 AWG AND ONE DUPLEX RECEPTACLE ARE INSTALLED IN A BOX. WHAT IS THE MINIMUM CUBIC INCH CAPACITY ALLOWED?
18 CUBIC INCHES
A HOUSE HAS ONLY ONE BATHROOM AND THE BATHROOM HAS A SINGLE CIRCUIT DEDICATED TO THE POWER OUTLET IN THAT BATHROOM ONLY. MAY ANYTHING BE ADDED TO THIS CIRCUIT? IF SO, WHAT?
YES
EQUIPMENT IN THAT SAME BATHROOM ONLY
LIGHTS
EXHAUST FAN
OTHER EQUIPMENT IN BATHROOM
#6 AWG CONDUCTORS ARE ATED FOR _____ AMPS AS AN EQUIPMENT GROUND?
200 AMPS
THE GROUNDING ELECTRODE CONDUCTOR CONNECTS THE GROUNDING ELECTRODES TO THE _______ AT THE MAIN SERVICE?
SYSTEM NEUTRAL
NEUTRAL
GROUNDED CONDUCTOR
WHEN INSTALLING A UFER GROUND, WHAT LENGTH OF GROUNDING ELECTRODE CONDUCTOR IS REQUIRED?
20 FEET
NAME FOUR LOCATIONS IN A DWELLING UNIT WHERE GFCI PROTECTION IS REQUIRED FOR OUTLETS?
KITCHEN GARAGE BATHROOM OUTDOORS
CRAWL SPACES BASEMENTS BOATHOUSES LAUNDRY AREAS WITHIN 6 FEET OF A SINK, TUB, OR BASIN
ARC FAULT PROTECTION IS REQUIRED FOR ALL ______ VOLT ______ AMPS OUTLETS IN THE BEDROOM, KITCHEN, FAMILY ROOM, DINING ROOM, LIVING ROOM, PARLOR, LIBRARY, DEN, SUNROOM, RECREATION ROOM, CLOSETS, HALLWAYS AND LAUNDRY AREAS OR SIMILAR ROOMS.
120 VOLTS / 15 & 20 AMP
GROUNDING SCREWS MUST BE ______ TYPE OF SCREWS?
MACHINE SCREWS
WHEN THE MAIN BONDING JUMPER IS A SCREW ONLY, THE SCREW SHALL BE IDENTIFIED HOW?
WITH A GREEN FINISH
WHAT TYPE OF ELECTRODE, WHEN PRESENT, REQUIRES A SUPPLEMENTAL ELECTRODE, AND REQUIRES TO BE SIZED BASED OFF OF TABLE 250.66
METAL WATER PIPE
YOU NEED TO ORDER A JUINCTION BOX FOR THE JOBSITE. THE BOX HAS A 4 INCH AND 2 INCH ENTERING FROM ONE SIDE AND A 4 AND 2 INCH ENTERING FROM AN ADJACENT SIDE OF THE BOX. IN THIS ANGLE PULL, WHAT MINIMUM SIZE BOX IS REQUIRED?
26 INCHES SQUARE MINIMUM
NAME TWO LOCATIONS WHERE LIGHTING OUTLETS ARE REQUIRED IN A DWELLING UNIT?
ABOVE STAIRS
EVERY HABITABLE ROOM
OUTDOOR ENTRANCES
HALLWAYS
GARAGES
WHEN UPSIZING CABLES DUE TO VOLTAGE DROP, THE EQUIPMENT GROUNDING CONDUCTORS MUST BE INCREASED ____________ TO THE CIRCUIT CONDUCOTRS?
PROPORTIONATELY
THE SAME AMOUNT
MAIN BONDING JUMPERS MAY BE A BUS, A SCREW, OR A _______?
WIRE
OTHER SUITABLE CONDUCTOR