(Mech)
The air delivered by an HVAC system is often measured in this unit.
What is CFM (cubic feet per minute)?
This type of lighting control automatically turns off lights when no movement is detected.
What is an occupancy sensor?
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?
This device detects smoke and sounds an alarm to warn building occupants.
What is a smoke detector?
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?
A device that removes air from a hydronic system is called this.
What is an air separator or air vent?
This term refers to the maximum current a system can deliver during a short circuit.
What is short circuit current?
This fixture is required in janitor’s closets by code.
What is a janitor's sink?
NFPA stands for this organization, which develops fire protection standards and codes.
What is the National Fire Protection Association?
The symbol (⯆) represents this on technology drawings.
What is a data outlet?
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)?
This electrical system configuration ensures uninterrupted power by using a battery and inverter system.
What is a UPS (Uninterruptible Power Supply)?
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)?
This component of a sprinkler system opens when heat causes the liquid inside it to expand.
What is a sprinkler head?
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?
A thermostat usually uses this sensor to detect air temperature.
What is a thermistor?
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?
This water heater type provides on-demand heating with no storage tank.
What is a tankless water heater?
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?
This is the minimum vertical clearance distance above a cable tray.
What is 6 inches?
This is the minimum horizontal distance that an exhaust outlet must be from window or door.
What is 10 ft?
According to NEC requirements, this is the minimum vertical dedicated working space above an electrical panel.
What is 6 feet?
The minimum vertical distance at the point of an indirect waste discharge and the term for it.
What is a 1" air gap?
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.?
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?