Symbol
Their wording
Letter
Counted
Sheets
Our name for it
OPTICAL SMOKE DETECTOR WITH SOUNDER BASE - INTERLINKED 230V
S
27
1
not mapped yet
FOUR CHANNEL INTERFACE UNIT
4-Ch
13
1
not mapped yet
EVACUATION ALERT SYSTEM WALL MOUNTED SOUNDER/BEACON
—
12
1
not mapped yet
OPTICAL SMOKE DETECTOR
S
12
1
not mapped yet
COMBINED OPTICAL SMOKE AND HEAT DETECTOR WITH SOUNDER BASE - INTERLINKED 230V
M
11
1
not mapped yet
EXTERNAL SOUNDER/BEACON - INTERLINKED 230V
—
11
1
not mapped yet
OPTICAL SMOKE DETECTOR - INTERLINKED 230V
S
11
1
not mapped yet
SINGLE CHANNEL INTERFACE UNIT
1-Ch
8
1
not mapped yet
8-WAY APARTMENT/FLAT INTERFACE
I.F.U
2
1
not mapped yet
COMBINED DISABLED REFUGE / FIRE TELEPHONE UNIT
F.T.U D.R.U
2
1
not mapped yet
AIR SAMPLING POINT
—
0
1
not mapped yet
ASPIRATING END CAP
—
0
1
not mapped yet
ASPIRATING PANEL/REPEATER/1-4 PIPE
A.S.P
0
1
not mapped yet
ASPIRATING PIPE
—
0
1
not mapped yet
ASPIRATING TEST POINT
—
0
1
not mapped yet
ASSISTANCE ALARM OVER DOOR LIGHT/TONE UNIT
—
0
1
not mapped yet
ASSISTANCE ALARM PULL CORD
—
0
1
not mapped yet
ASSISTANCE ALARM RESET BUTTON
—
0
1
not mapped yet
DENOTES DEVICE IP65 RATED OR ABOVE
—
0
1
not mapped yet
DISABLED REFUGE PANEL
D.R.P
0
1
not mapped yet
DISABLED REFUGE UNIT
D.R.U
0
1
not mapped yet
EVACUATION ALERT SYSTEM PANEL
E.A.P
0
1
not mapped yet
EVACUATION ALERT SYSTEM WALL MOUNTED SOUNDER
—
0
1
not mapped yet
FIRE ALARM CONTROL PANEL
F.A.P
0
1
not mapped yet
FIRE ALARM REPEAT CONTROL PANEL
F.A.R.P
0
1
not mapped yet
FIRE TELEPHONE UNIT
F.T.U
0
1
not mapped yet
HEAT DETECTOR
H
0
1
not mapped yet
HEAT DETECTOR - INTERLINKED 230V
H
0
1
not mapped yet
HEAT DETECTOR WITH SOUNDER BASE
H
0
1
not mapped yet
HEAT DETECTOR WITH SOUNDER BASE - INTERLINKED 230V
H
0
1
not mapped yet
HEAT DETECTOR WITH SOUNDER BEACON BASE
H
0
1
not mapped yet
MANUAL CALL POINT
—
0
1
not mapped yet
OPTICAL SMOKE DETECTOR WITH SOUNDER BASE
S
0
1
not mapped yet
OPTICAL SMOKE DETECTOR WITH SOUNDER BEACON BASE
S
0
1
not mapped yet
POWER SUPPLY UNIT
P.S.U
0
1
not mapped yet
WALL MOUNTED BEACON
—
0
1
not mapped yet
WALL MOUNTED SOUNDER
—
0
1
not mapped yet
WALL MOUNTED SOUNDER BEACON
—
0
1
not mapped yet
A symbol with 0 counted is not an error — it is in this office's legend but has not appeared on a sheet we have counted. Those are often the most useful line on a take-off: the drawing saying a device type is not used on that floor.