FA Basic standerds Flashcards
(29 cards)
In what causes are T-taps not allowed ?
On indicating circuits such as horns, bells , strobes
What is an indicating circuit ?
Any circuit that is connected to a device that is used to alert people, usually associated wit FA
ALL pull boxes, conduits, fittings and supports are furnished by ___________________
The electrical contractor
What does it mean when an electrical component is furnished ?
All the relevant connections, wire and testing required for that component to operate have been accomplished.
What is a pull box?
an electrical box that allows access to pull electrical cables through raceways and conduit.
Ceiling mounted smoke detectors must be mounted___________________
At least 3 feet from supply air register
What is a supply air register ?
An air supply vent
Manual pull station must be installed under what three agencies requirements?
UL, NFPA,ADA
What two cable types should not be in the same race way ?
Fire alarm cables and non fire alarm cables should not be in the same race way
What is a raceway ?
A raceway (sometimes referred to as a raceway system) is an enclosed conduit that forms a physical pathway for electrical wiring. Raceways protect wires and cables from heat, humidity, corrosion, water intrusion and general physical threats.
What type of cabling should not be installed near the sources of alternating currents Ex (lighting ,power)
Fire alarm cables
Strobes should be installed in accordance what the requirements ?
UL, NFPA, and ADA
Most Fire alarm circuits are polarity sensitive, what does that mean
f the wires aren’t landed so the positive wire is on the “+” terminal and the negative wire is on the “-“ terminal, the smoke detector won’t work.
What are the requirements for insulation for Fa circuits in NY ?
The insulation must be the required for the specific system being installed and they must be the ones required by the building and the electrical code of NYC.
What are the requirements for FA equipment in terms of maintenance and repair
All equipment must be fully available for maintenance to be done.
All devices must be securely fastened ______________
to the building structure
Installation of all visual and audio fire alarm boxes must be a minimum of _______from finished floor or __________ from ceiling which ever on is lower
80 inches, 6 inches
What holds more weight then the drawing?
The instruction of the contractor or the NYC code
What are the requirements for existing equipment to remain in a project ?
it is required that all wiring must be intact and connected to the FA system.
What is the requirement for fire alarm wiring below 8 feet ?
it must be in approved raceways
What is the smallest conduit size allowed ?
3/4”
What is a single gang box ?
a standard rectangular electrical box used to hold one electrical device, such as a switch or receptacle
What type of housing would a strobe only light recieive ?
On single gang boxes
What type of housing is required for a speaker/strobe ?
using a 4” deep box