Volume-IF - JantERmantER

TITLE:
LIGHTING DISTRIBUTION BOARD
& LIGHTING PANEL
SPECIFICATION NO. PES-558-01A
VOLUME - II B
SECTION - D
REV.NO. 0 DATE
SHEET 1
OF
b) The fuse carriers shall be easily withdrawable for replacement of fuse,
Insulated fuse pullers shall be provided where fuses are not mounted in
insulating carriers to remove and replace fuses in live conditions.
c) Fuses shall preferably be fitted with a device to indicate operation (i.e. when
the fuse has blown).
d) Live terminals of fuse bases shall be shrouded to prevent contact with
personnel where fuse links are not mounted in carriers and are directly
plugged into the fuse base. Inter-phase barriers extending throughout the
length of the fuse base shall be provided to prevent inter-phase short circuit.
They shall be shrouded from all sides to prevent accidental contact.
e) Fuse carriers and bases shall be of good quality moulded insulating material.
Porcelain fuse bases and carriers will not be accepted.
3.8 Cable Terminations
3.8.1 All cable, either incoming or outgoing to the LDB, shall be terminated in a cable
chamber. For each panel, there shall be a cable chamber on the side. The door of
cable chamber should open or be locked with the help of a tool. Unless stated
otherwise in Data Sheet A, all cables shall enter from the bottom.
3.8.2 Removable undrilled gland plates of sheet steel shall be provided in the cable
chamber for entry of cables. Minimum thickness of gland plate shall be 3mm. The
gland plate shall be of adequate size for connecting requisite number of cable glands
for power and control cables.
3.8.3 Heavy duty bolt-on termination tinned copper lugs of compression type shall be used
in for power cable termination.
3.8.4 For supporting and clamping of cable cores at regular interval in cable alleys,
suitable slotted angle upto the respective terminal blocks shall be provided.
3.8.5 The supply of tinned copper cable lugs for power cables from part the supply of
equipment.
3.9 Earthing
3.9.1 An earth busbar of adequate size of galvanized MS shall be provided at the bottom
for the entire length of the LDB.