This tool is used to check voltage and continuity
What is a Multimeter
This filter type is most commonly used in residential HVAC systems.
What is a pleated filter?
This tool is essential for clearing clogged toilets.
What is a plunger or auger?
PPE stands for this.
What is Personal Protective Equipment?
This is the most common reason a garbage disposal won't turn on.
What is a tripped reset button or power issue?
A Crescent Wrench is also called this.
What is an adjustable wrench
The refrigerant R-410A replaced this older refrigerant.
What is R-22?
Leaky faucets are often caused by this worn-out part.
What is a washer or O-ring?
Always lock out and tag out equipment before doing this.
What is performing maintenance or repairs?
This is a sign of bed bug activity.
What are small black spots, shed skins, or live bugs?
This tool helps detect moisture in walls.
What is a moisture meter?
This component compresses refrigerant vapor.
What is the compressor?
This pipe material is common in older homes and prone to corrosion.
What is galvanized steel?
This color indicates caution in OSHA signage.
What is yellow?
To silence a squeaky door, apply this to the hinges.
What is lubricant (like WD-40)?
This type of saw is best for cutting PVC pipe.
What is a hacksaw?
Dirty coils can cause this issue with an AC unit.
What is poor cooling efficiency or freeze-up?
Water backing up in a tub when the toilet flushes signals this issue.
What is a main line blockage?
Ladders should always be placed at this angle for safety.
What is a 4:1 ratio (1 foot out for every 4 feet up)?
This test confirms whether an outlet is grounded.
What is an outlet tester or multimeter?
The torque setting on a drill determines this.
What is how much rotational force is applied?
SEER stands for this.
What is Seasonal Energy Efficiency Ratio?
This kind of valve is used to shut off water to a single fixture.
What is an angle stop?
This class of fire extinguisher is used for electrical fires.
What is Class C?
This method is used to identify a breaker connected to a specific outlet.
What is using a circuit tracer or testing by trial and error with a partner?