nocti study for electrical

the proper angle for setting up a ladder is to place the base at an_________ ( the working length of the ladder )

quarter

The government organization whose purpose is to set and enforce work site safety and health standards is

OSHA

In General, a beginning trades person with little or no experience in the electrical field is know as

An apprentice

All electrical equipment must be considered ______ before working on it

energized

If the scale on a blueprint indicates 1/8 inch equals 1´ then a line that measures 10 inches would indicate a site measurement

80 feet

if the lighting requirement is 3 volt amps per square foot and a home is 40 feet by 90 feet the required volt-amps for lighting would be

LwA = the answer so 10,800 volt-amps

Which of the following hammers is most commonly used in electrical construction

claw

what are industrial screwdriver blades made of

Tempered Steel

All power tools should be grounded and must have a 3 prong cord unless they are approved

double insulated tools

power tools should be carried by the

Handle

when working on a construction site power tools should only be used if they are plugged into an

GFCI

an ohmmeter is used to measure

resistance

which of the following is used to measure current

Ammeter

What is the most commonly used communication cable in residential voice/data applications

CAT 5E & 7

what type of cable has the largest amount of potential bandwidth ?

fiber optic cable

flexible metal conduit should be supported within _______ from an outlet

12 inches

According to the NEC, EMT conduit must be supported every

10 feet

Finish conduit is produced in nominal _____ lengths

10 foot

which conduit need to be threaded and is the thickest

RMC ( rigid metal conduit )

Double insulated tools are designed to prevent

Electrical Shock

The minimum amount of free wire that must be left in a work box is

6 inches

what type of cable is used for service entrances

SE cable (service entrance cable)

Non-metallic sheathed cable must be supported ______from every outlet or junction box

12 inches

What kind of special screws are sued when attaching receptacles and switches to a box

captive

Outlet boxes that are the sole support for paddle fans must be able to support fans that weigh up to

70 pounds

In order to control a light from four locations, which of the following switches must be use ?

two 3-ways and two 4-way

Which of the following green technology utilizes wind to produce electricity

Wind Mill

The NEC requires two grounding electrode rods to be driven into the ground a minimum of _______ apart

6 feet

What is the minimum distance between straps on service entrance conductors

30 inches

What is the minimum working space width required at the service panel ?

30 inches

A surface type meter base mounted in a wet location must be mounted so that there is an air space between the meter base and mounting surface. What is the minimum air space ?

1/4

Service conductors installed as open conductors should have a clearance of not less than___ from doors or windows designed to open ?

36 inches

A minimum clearance of _____ must be maintained between overhead service conductors and residential properties, driveways, and commercial areas not subject to truck traffic

12 feet

Fora one family dwelling the service disconnecting means should have a minimum rating of ______or greater

100 amps

The NEC is based on

NFPA

According the to NEC, continuous load is where the maximum current is expected current is expected to continue for ______ or more

3 hours

The national Electrical code term "accessible" means that an electrical box can be

removed without damage to the building