Note (EN): |
Designations in accordance with relevant IEC or ISO standards, may be used to distinguish different types of outlet symbols:
TELEPHONE SYSTEMS
TP = Telephone system
WT = Wireless telephone system
DP = Door phone system
IC = Intercom system
COMMUNICATION SYSTEMS
TV = TV system
PA = Public address system ( SS = sound system)
AV = Audio visual system
IS = Information service system
CS = Conference- and interpretation system (congress system)
BC = Broadcasting system
ANNOUNCEMENT SYSTEMS
DB = Door bell system
EC = Entry call system
NC = Nurse call system
OL = Occupied light system
TC = Time clock system
SC = Service call system
IL = Info lighting system
EC = Emergency call system
PS = Paging system
SECURITY SYSTEMS
EL = Electric lock system
AC = Time attendance and access control system
IA = Intrusion alarm system
PN = Panic call system
CC = CCTV system
DG = Door- and gate control system
FA = Fire detection and fire alarm system
FW = Fire warning system
FP = Fire protection control system
SE = Smoke exhaust system
INFORMATION NETWORK SYSTEMS
GC = Generic cabling system
IT = IT systems
INTEGRATED CONTROL SYSTEMS
BS = Bus control system
MC = Multi-control system
BUILDING AUTOMATION SYSTEMS
BM = Building management system
Note that these letters are qualifiers to the symbols only and that the qualifier are intended for
used in the area of Building installations.
For the purpose of identification of a connection or outlet, the relevant letter codes in IEC 61346-2 should be applied. |