Keepin' It Cool
(Mech)
Current Events
(Electrical)
Brain Drain
(Plumbing)
Burning Questions
(Fire Protection)
Turn It Off and On Again
(Technology)
100

The air delivered by an HVAC system is often measured in this unit.

What is CFM (cubic feet per minute)?

100

This type of lighting control automatically turns off lights when no movement is detected.

What is an occupancy sensor?

100

This device prevents contamination of potable water when it's connected to potentially hazardous systems, such as lab equipment or chemical fixtures.

What is a backflow preventer?

100

This device detects smoke and sounds an alarm to warn building occupants.

What is a smoke detector?

100

This type of cable management system is commonly used in commercial and industrial buildings to support insulated electrical cables for power distribution, control, and communication.

What is a cable tray?

200

A device that removes air from a hydronic system is called this.

What is an air separator or air vent?

200

This term refers to the maximum current a system can deliver during a short circuit.

What is short circuit current? 

200

This fixture is required in janitor’s closets by code.

What is a janitor's sink?

200

NFPA stands for this organization, which develops fire protection standards and codes.

What is the National Fire Protection Association?

200

The symbol (⯆) represents this on technology drawings.

What is a data outlet?

300

This organization develops a standard, which provides essential guidelines for the design and construction of health care and residential facilities, ensuring safety, functionality, and compliance with regulations. 

What is the Facility Guidelines Institute (FGI)?

300

This electrical system configuration ensures uninterrupted power by using a battery and inverter system.

What is a UPS (Uninterruptible Power Supply)?

300

This minimum domestic hot water storage temperature is commonly maintained in hospital systems to reduce the risk of Legionella growth.

What is 140°F (60°C)?

300

This component of a sprinkler system opens when heat causes the liquid inside it to expand.

What is a sprinkler head?

300

This system is a network-based Caregiver/Patient audiovisual system which allows both data and voice to be distributed over a common network infrastructure.  

What is a nurse call system?

400

A thermostat usually uses this sensor to detect air temperature.

What is a thermistor?

400

This component is used at the output of a VFD to reduce voltage spikes and protect motor windings.

What is a dV/dt filter, harmonic filter or output reactor?

400

This water heater type provides on-demand heating with no storage tank.

What is a tankless water heater?

400

The height from the lowest level of fire department vehicle access to the highest occupiable building level, that triggers the requirement for a standpipe system.

What is 30 feet?

400

This is the minimum vertical clearance distance above a cable tray.

What is 6 inches?

500

This is the minimum horizontal distance that an exhaust outlet must be from window or door.

What is 10 ft?

500

According to NEC requirements, this is the minimum vertical dedicated working space above an electrical panel.

What is 6 feet?

500

The minimum vertical distance at the point of an indirect waste discharge and the term for it.

What is a 1" air gap?

500

According to NFPA 13, for a design area of 1500 sq.ft., this is the design density of a light hazard space (ex: offices, hospitals, libraries). Units are in GPM per sq. ft.

What is 0.10 GPM per sq. ft.?

500

This term is used to refer to surplus cable, typically located at or near point of termination to enable future changes. 

What is a service loop?

M
e
n
u