Jb Schedule - Instrumentation 3q3d4w

ANNEXURE-2 JUNCTION BOX SCHEDULE -INSTRUMENTATION

S.No

TAG NO.

SIGNAL TYPE

1

JB-A -01 JB-A -02

2

JB-D -01

3

JB-D -02

4

INCOMING (BOTTOM ENTRY) MULTIPAIR CABLE

CABLE O.D (in mm)

CONNECTION

ANALOG

10P X 1.0 mm2

25

1 -1/2 '' NPT

ANALOG

10P X 1.0 mm

2

DIGITAL

CABLE O.D

1

1P X 1.5 mm2 2

12 12 12 12

1/2 1/2 1/2 1/2

NPT NPT NPT NPT

10 10 3 9

NO. OF STOPPING PLUGS 3 4 2 3

CONNECTION '' '' '' ''

NO. OF CABLE ENTRIES

1- 1/2 '' NPT

2

1

1P X 1.5 mm

10P X 1.0 mm2

25

1-1/2 '' NPT

4

1

6P X 1.0 mm2

15

3/4 '' NPT

5

1

DIGITAL

10P X 1.0 mm2

25

1-1/2 '' NPT

4

1

2

25

1-1/2 '' NPT

3

1

25

1-1/2 '' NPT

3

1

6P 1P 2P 1P 2P

mm2 mm2 mm2 mm2 mm2

15 12 12 12 12

3/4 1/2 1/2 1/2 1/2

5 6 6 6 6

1 1 1 1 1

JB-D -03

DIGITAL

10P X 1.0 mm

6

JB-D -04

DIGITAL

10P X 1.0 mm2

:

2

CABLE

25

5

NOTES 1 2 3 4 5 6 7

OUTGOING (BOTTOM ENTRY)

NO. OF NO. OF CABLE STOPPING ENTRIES PLUGS

X X X X X

1.0 1.5 1.5 1.5 1.5

'' '' '' '' ''

NPT NPT NPT NPT NPT

ALL THE JUNCTION BOXES ARE WALL MOUNTED. JUNCTION BOX SHALL BE COMPLETE WITH THE EARTHING ARRANGEMENT . JB ENCLOSURE SHALL BE IP - 65 WEATHER PROOF 20% SPARE TERMINALS SHALL BE PROVIDED (INCLUDED IN NO. OF TBs). TAG PLATE TO BE PROVIDED FOR ALL THE JBs. PAINT SHADE SHALL BE RAL 7035 JB SHALL HAVE HINGED & BOLTED COVER ENDLESS NEOPRENE RUBBER GASKET,2.5MM2 SPRING LOADED ANTI LOOSENING & VIBRATION PROOF TERMINALS (PHOENIX MAKE)

NO. OF TB'S

JB MOC

36

DIE CAST ALUMINIUM/FRP

36

DIE CAST ALUMINIUM/FRP

108

DIE CAST ALUMINIUM/FRP

108

DIE CAST ALUMINIUM/FRP

72

DIE CAST ALUMINIUM/FRP

72

DIE CAST ALUMINIUM/FRP

REMARKS