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D. Abbreviations

3G Mobile radio standard of the third generation FEM Finite Element Method
(UMTS) FTT Free Topology Transceiver
4G Mobile radio standard of the fourth generation G Generator
(LTE)
ABB Ausschuss für Blitzschutz und Forschung im VDE GDV Gesamtverband der Deutschen Versicherungs-
wirtschaft e.V. (German Insurance Association)
(Committee for Lightning Protection and Research
at the VDE) GRP Glass-fibre Reinforced Plastic
AC Area Coupler gG Full range protection (general purpose fuse)
a.c. Alternating Current gL Full range cable and line protection (fuse)
ALDIS Austrian Lightning Detection & Information System GPS Global Positioning System
ATEX Explosion Protection Guidelines by the European HF High Frequency
Union (French: ATmosphère EXplosive) HV High Voltage
BBU Baseband Unit HVI High Voltage Insulation
BD Building Distributor IEC International Electrotechnical Commission
C Cable Cabinet I/O Input / Output
CBN Common Bonding Network ISDN Integrated Services Digital Network
CCP Cathodic Corrosion Protection IT Information Technology
CD Campus Distributor ITE Information Technology Equipment
CHP Combined Heat and Power Station KD Key Depot
CP Consolidation Point KEMA Keuring van Elektrotechnische Materialen te
CPS Central Power Supply System Arnhem (inspection of electrical equipment in
Arnhem)
CPU Central Processing Unit
KNX Building automation standard
CTRL Controller
LAN Local Area Network
d.c. Direct Current
LC Line Coupler
DCF Time signal for radio-controlled clocks in Germany
LED Light-Emitting Diode
DDC Direct Digital Control
LEMP Lightning electromagnetic Pulse
DIN Deutsches Institut für Normung
(German Standardisation Institute) LF Low frequency
DNO Distribution Network Operator LON Local Operating Network
EB Equipotential Bonding LPL Lightning Protection Level
EBB Equipotential Bonding Bar LPS Lightning Protection System
EMC Electromagnetic Compatibility LPT Link Power Transceiver
ERP Earthing Reference Point LPZ Lightning Protection Zone
Ex Area in which explosive atmospheres may occur LTE Long Term Evolution (mobile radio standard)
Ex(i) Intrinsic safety LV Low Voltage
EU Evaluation Unit of Switching Equipment MLVDB Main Low-Voltage Distribution Board
FBIP Fire Brigade Indicator Panel M Meter
FBOP Fire Brigade Operating Panel M Motor
FC Frequency Converter MCE Measuring and Control Equipment
FD Floor Distributor MDB Main Distribution Board

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