FDNY S12 Questions and Answers
Updated 2026/2027 Version | Verified
Answers
1. Frequency of lubrication for the stem of an OS&Y valve - ANSWER ✅
Annually
2. Who performs the five year dry pipe trip test - ANSWER ✅ Master fire
suppression contractor
3. Frequency of inspection for the interior of check valves - ANSWER ✅
Every 5 years
4. Frequency of inspection for fire department connections - ANSWER ✅
Quarterly or every three months
5. quarterly - ANSWER ✅ every three months
6. strainer color tag for corrosion - ANSWER ✅ yellow
7. hydraulic name plate inspection frequency - ANSWER ✅ quarterly or every
three months
8. pre-action and deluge valves testing frequency - ANSWER ✅ annually
,9. sprinkler head with red frame temperature classification - ANSWER ✅
extra high
10.sprinkler heads lightly corroded color tag - ANSWER ✅ yellow
11.circuit breakers on special service pump over two years old color tag -
ANSWER ✅ orange
12.sprinkler heads prior to 1920 not replaced color tag - ANSWER ✅ orange
13.foam-water sprinkler system nozzles plugged color tag - ANSWER ✅ red
14.steel water storage tanks inspection frequency without corrosive protection -
ANSWER ✅ every 3 years
15.sprinkler head with white frame temperature rating - ANSWER ✅ 175-225
16.missing hydraulic name plate color tag - ANSWER ✅ yellow
17.sprinkler head with blue bulb temperature classification - ANSWER ✅ high
18.pre-action system electrical components not in service color tag - ANSWER
✅ red
, 19.missing spare sprinkler head cabinet color tag - ANSWER ✅ yellow
20.vane type water flow devices testing frequency - ANSWER ✅ quarterly or
every three months
21.dry type sprinklers heads no test for 12 years color tag - ANSWER ✅
yellow
22.system fully out of service color disc - ANSWER ✅ white
23.system partially out of service color disc - ANSWER ✅ blue
24.preaction sprinkler system - ANSWER ✅ no water in piping on normal
conditions. heat responsive devices trip the system
25.preaction system with recycling feature - ANSWER ✅ controls sprinklers to
turn off if fire is put out or heat drops.
26.deluge system - ANSWER ✅ All sprinkler heads are open, pipes dry
27.ELO extra large orifice sprinkler - ANSWER ✅ Orifice size greater than 1"
28.extended coverage sprinklers head - ANSWER ✅ Covers max 400sqft in
light hazard and 144sqft for high hazard areas
Updated 2026/2027 Version | Verified
Answers
1. Frequency of lubrication for the stem of an OS&Y valve - ANSWER ✅
Annually
2. Who performs the five year dry pipe trip test - ANSWER ✅ Master fire
suppression contractor
3. Frequency of inspection for the interior of check valves - ANSWER ✅
Every 5 years
4. Frequency of inspection for fire department connections - ANSWER ✅
Quarterly or every three months
5. quarterly - ANSWER ✅ every three months
6. strainer color tag for corrosion - ANSWER ✅ yellow
7. hydraulic name plate inspection frequency - ANSWER ✅ quarterly or every
three months
8. pre-action and deluge valves testing frequency - ANSWER ✅ annually
,9. sprinkler head with red frame temperature classification - ANSWER ✅
extra high
10.sprinkler heads lightly corroded color tag - ANSWER ✅ yellow
11.circuit breakers on special service pump over two years old color tag -
ANSWER ✅ orange
12.sprinkler heads prior to 1920 not replaced color tag - ANSWER ✅ orange
13.foam-water sprinkler system nozzles plugged color tag - ANSWER ✅ red
14.steel water storage tanks inspection frequency without corrosive protection -
ANSWER ✅ every 3 years
15.sprinkler head with white frame temperature rating - ANSWER ✅ 175-225
16.missing hydraulic name plate color tag - ANSWER ✅ yellow
17.sprinkler head with blue bulb temperature classification - ANSWER ✅ high
18.pre-action system electrical components not in service color tag - ANSWER
✅ red
, 19.missing spare sprinkler head cabinet color tag - ANSWER ✅ yellow
20.vane type water flow devices testing frequency - ANSWER ✅ quarterly or
every three months
21.dry type sprinklers heads no test for 12 years color tag - ANSWER ✅
yellow
22.system fully out of service color disc - ANSWER ✅ white
23.system partially out of service color disc - ANSWER ✅ blue
24.preaction sprinkler system - ANSWER ✅ no water in piping on normal
conditions. heat responsive devices trip the system
25.preaction system with recycling feature - ANSWER ✅ controls sprinklers to
turn off if fire is put out or heat drops.
26.deluge system - ANSWER ✅ All sprinkler heads are open, pipes dry
27.ELO extra large orifice sprinkler - ANSWER ✅ Orifice size greater than 1"
28.extended coverage sprinklers head - ANSWER ✅ Covers max 400sqft in
light hazard and 144sqft for high hazard areas
