Watt’s the Deal?
1 kW is equal to how many watts?
1000
A “time-delay” fuse is best used on what circuit?
AC System
The electrical pressure of a circuit is called what?
Voltage
An electrician’s hand tools should always have what?
insulation
A wire stamped “XX AWG” is rated according to what?
gauge diameter
A motor running at 220 volts, 5 amps, uses how many watts?
1100 watts
A blown fuse reads how many ohms?
∞
During compressor start-up, which amp reading is highest?
LRA
On an electrical service, how many ground rods are required and how deep?
2, 8 feet
Most HVAC thermostat wiring uses what gauge?
18 AWG
One watt is equal to how many Btus per hour?
3.412
An electrical disconnect should be located where?
Within Arms Length
What will happen if you clamp an amp probe around L1 and L2 together?
Read zero amps
The white/neutral wire must never be interrupted by a what?
a switch
In a household circuit, a switch should always be placed in which conductor?
L1
Voltage × Amperage = ?
Power
The contacts of a contactor are rated in what?
volts and amps?
What meter measures electrical power in a circuit?
wattmeter
When working near electricity, what type of ladder is safest?
fiberglass or wood
Voltage drop can occur because of…?
too long of wire
An electric heater draws 50A at 208V. What is the kilowatt output?
10.4kW
When testing across a switch in the open position on a 120V circuit, the reading would be?
120V
Electricity is a form of…?
energy
Seal-tight cable is used in what type of installation?
Outdoors
Substances that allow electricity to flow easily are called what?
conductors