In general a beginning tradesperson with little or no experience in the electrical field is known as a/an -
Answers apprentice
The proper angle for setting up a ladder is to place its base a/an___________ of the working length of
the ladder from the wall or other vertical surface. - Answers quarter
A __________ fire extinguisher should be used on an electrical fire. - Answers Class C
A person with a serious electrical injury should be moved - Answers only if they are in immediate danger
When measuring an electrical circuit, current is measured in - Answers amps
When referring to NM-B 12/3 wire, the number 12 refers to the - Answers wire gage
The National Electrical Code (NEC) is based on - Answers NFPA codes
According to the NEC, a continuous load is where the maximum current is expected to continue for
_______ or more. - Answers 3 hours
In residential structures, GFCI is required in - Answers kitchens
The National Electrical Code (NEC) term, "accessible," means that an electrical box can be - Answers
removed without damage to the building
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 - Answers 10,800 volt -amps
On a blueprint scale of 1/8 inch = 1 foot, a 3 1/2 inch length represents - Answers 28 feet
If the voltage source supplies 260 volts and the resistance measure 5 ohms, the current is - Answers 52
amps
In an AC circuit, if resistance remains the same and voltage is doubled, then current - Answers is doubled
If the peak value of a given AC waveform is 2 volts, the RMS is - Answers 1.414 volts
The frequency of an AC waveform is 40 hertz. What is the period of each cycle? - Answers 25.0 mS
The outer most ring of an atom is called the _______ ring - Answers valance
How many watts are dissipated by an electric heater that has unity power factor and draws 7.8 amps on
a 240-volt line - Answers 1872 watts
Bored holes through wood members must be kept a minimum of ___________ from the nearest edge of
the wood member - Answers 1 1/4 inches