Code midterm
2
1.The maximum distance between kitchen countertop receptacles is ___ ft.
Grounding Electrode Conductor
A ___ is a conductor used to connect the system grounded conductor or the equipment to a grounding electrode or to a point on the grounding electrode system.
structure
A ___ is defined as that which is built or constructed, other than equipment.
Individual
A branch circuit that supplies only one utilization equipment is known as a(n) ___ branch circuit.
General Purpose
A branch circuit that supplies two or more receptacles or outlets for lighting and appliances is a(n) ___ branch circuit.
15- or 20-ampere
A duplex receptacle rated 20 amperes can be installed on a ___ branch circuit.
No equipment ground
A grounding-type receptacle may replace a nongrounding-type receptacle where the circuit is ground-fault protected. These receptacles must be labeled "GFCI Protected" and "____."
20 ampere
A laundry receptacle outlet must be fed from a ____ branch circuit.
at or below grade level
A receptacle outlet requires GFCI protection when installed in a crawl space that is _____.
Emergency Disconnect
A service disconnect installed in a one-family dwelling unit as a service disconnect and also as the emergency disconnect shall be marked ___.
6
Appliance receptacle outlets installed for specific appliances, such as laundry equipment, shall be placed within ___ ft of the intended location of the appliance.
device
As a general rule, a single conduit must not support an enclosure that contains a ____.
6
At least ___ in. of free conductor, measured from the point in the box where it emerges from its raceway or cable sheath, shall be left at each outlet, junction, and switch point for splices or the connection of luminaires or devices.
3
At least one GFCI-protected receptacle shall be located within ___ ft from the outside edge of each bathroom sink.
switch-controlled
At least one wall ____ lighting outlet must be installed in every habitable room of a dwelling.
conductivity
Bonding is connected to establish electrical continuity and ____.
100 Amperes
Circuit breakers rated ___ or less and 1000 volts or less shall have the ampere rating molded, stamped, etched, or similarly marked into their handles or escutcheon areas.
5000
Every circuit breaker having an interrupting rating other than ___ amperes shall have its interrupting rating shown on the circuit breaker.
1
In a dwelling unit, a hallway measuring 21½ ft in length requires a minimum of ___ receptacle outlet(s).
1/4
In damp or wet locations, surface-type cabinets, cutout boxes, and meter socket enclosures shall be so placed or equipped as to prevent moisture or water from entering and accumulating within them, and mounted so there is at least ___ in. airspace between the enclosure and the wall or other supporting surface.
vehicle bay
In either an attached garage or detached garage with electric power, at least one receptacle outlet must be installed in each ____.
must be the same size as the insulated circuit conductors
In nonmetallic-sheathed cable, the equipment grounding conductor for 15-, 20-, and 30-ampere branch circuits ___.
6
Interior stairway lighting outlets shall be controlled by a wall switch at each floor level, where the difference between levels is ___ steps or more.
8 ft.
No pendant luminaire shall be installed in a zone that measures 3 ft (900 mm) horizontally and ______________ vertically from the top of a bathtub rim or shower stall threshold and includes the space directly over the tub or shower stall.
6 in
Other equipment or support structures, such as concrete pads, associated with the electrical installation located above or below the electrical installation shall be permitted to extend not more than ___ beyond the front of the electrical equipment.
30
Plug fuses of the Edison-base type shall be classified at not over 125 volts and ___ amperes and below.
18
Receptacle outlets in or on floors shall not be counted as part of the required number of receptacle outlets unless located within ___ in. of the wall.
6
Receptacles are permitted under an overhanging countertop, but are not counted as required countertop receptacles, where the countertop extends more than ___ in. beyond its support base.
5 1/2
Receptacles located more than ___ ft above the floor are not counted in the required number of receptacles along the wall.
12
Residential 240-volt service-drop conductors must have a vertical clearance above a driveway of at least ___ ft.
Service Disconnecting means
Service conductors are the conductors from the service point to the ___.
Out of reach
Service conductors run above the top level of a window shall be:
1
Service-entrance cables shall be supported by straps or other approved means within ___ of every service head, gooseneck, or connection to a raceway or enclosure.
main bonding jumper
The ___ is the connection between the grounded circuit conductor and the equipment grounding conductor, or the supply-side bonding jumper, or both, at the service.
125%
The branch-circuit overcurrent device and conductors for fixed storage-type water heaters that have a capacity of 120 gal (450 L) or less shall be sized not smaller than _____ of the rating of the water heater.
multiwire branch circuits
The continuity of a grounded conductor shall not be dependent on the device in ___.
30 in.
The frontal workspace width of electric equipment must be the greater of the width of the equipment or ____ .
24 in.
The maximum distance to any receptacle, measured horizontally along the wall line, is ____.
3
The minimum depth of working space for a 120/240-volt panelboard, with exposed live parts on one side and grounded parts on the other, shall be at least ___ ft.
6 1/2
The minimum height of working space for equipment operating at 1000 volts, nominal, or less to ground and likely to require examination, adjustment, servicing, or maintenance while energized shall be ___ ft or the height of the equipment, whichever is greater.
10
The point of attachment of the service-drop conductors to a building must not be less than ___ ft above finish grade.
250.102(C)(1)
The supply-side bonding jumper shall not be smaller than the sizes shown in Table ___ for grounding electrode conductors.
30
The width of the working space in front of electric equipment operating at 1000 volts, nominal, or less to ground shall be the width of the equipment or ___ in., whichever is greater.
overload
Two to six circuit breakers or sets of fuses can be used as the service disconnecting means to provide __________ protection.
2
What is the minimum number of 20-ampere small-appliance branch circuits required for a kitchen with 27 linear feet of countertop and an island that measures 2 ft by 6 ft?
wall space
What measure determines the minimum number of receptacles in a given dwelling?
building
What term refers to a structure that stands alone or that is separated from adjoining structures by fire walls?
Service drop
____ is defined as the overhead conductors between the serving utility and the service point.
