Page 17 - AP2464B E-BOOK (KKR2 TOWER)

MAIN ELECTRICAL DISTRIBUTION

SYSTEM IN KKR BUILDING

DEVICES IN DB
1. Circuit breakers or fuses
• Miniature Circuit Breaker
(MCB) is the circuit breaker
often used.
2. Neutral bar or block Equipment found
• All neutral conductor is DISTRIBUTION in a wiring closet:
fitted to it without going BOARD • Alarm systems
through the fuses. DB is to distribute the • Circuit breaker
3. Main fuses switch electrical supply to the panels
• Enable the cutting off the electrical fixtures (fans, • Ethernet routers,
electricity from the MSB to lights etc.) Network switches
DB DB housed in the steel • Telephone punch
4. Earthing bar box or cabinet with door blocks
• Prevent electric leakage and can be divided into • Wireless access
5. Meters several levels (Main points
• kWh meters are installed in DB, Intermediate DB • Fiber optic
the DB in some particular and Final DB)
premise. terminations

WIRING
Pole trunking – Installed TRUNKING Small room commonly
vertically or horizontally. found in institutional CLOSET
Power outlets, telephone buildings where electrical
and data communication connections are made.
will be placed in the pole While they are used for
trunking. many purposes, their most
Skirting trunking – Fitted common use is for
on the outer or inner walls computer networking
of the building which where it may be called a
carries electric power such premises wire distribution
as telephone and room
communication building

The common skirting Pole trunking installed Pole trunking at
trunking fitted at the for electric supply at ceiling.
outer of walls the lift room