Junction box
JB-401
Location
Line 4, north wall, elev. +1.2m
Sheet
3 of 3 — Commissioning / site sheet
Revision
A
Description
Stainless steel IP66 field junction box, 36-way DIN rail terminal strip
Drawn by
________
Job / Work order
Date
Field technician
JB technician
Panel technician
Witness / Commissioned by
| Rail | No. | Type | Incoming cable | Core | Incoming function / type | Panel / terminal ref | Incoming description | Function / wire label | Outgoing cable | Core | Destination | Link | Status | Field | JB | Panel | Final / Loop test |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rail 1 | 1 | TB | W-4001 | 1 | PT-4101 +24V | W-4101 | 1 | PT-4101 (Line 4 header) | |||||||||
| Rail 1 | 2 | TB | W-4001 | 2 | PT-4101 4-20mA + | W-4101 | 2 | PT-4101 (Line 4 header) | |||||||||
| Rail 1 | 3 | TB | W-4001 | 3 | PT-4101 4-20mA - | W-4101 | 3 | PT-4101 (Line 4 header) | |||||||||
| Rail 1 | 4 | TB | W-4001 | 4 | PT-4101 spare core | W-4101 | 4 | PT-4101 (Line 4 header) | |||||||||
| Rail 1 | 5 | SCR | PT-4101 screen | W-4101 | SCR | PT-4101 (Line 4 header) | SCREEN | ||||||||||
| Rail 1 | 6 | PE | PT-4101 PE | W-4101 | PE | PT-4101 (Line 4 header) | E1 | PE | |||||||||
| Rail 1 | 7 | TB | W-4001 | 5 | TT-4102 +24V | W-4102 | 1 | TT-4102 (Reactor outlet) | |||||||||
| Rail 1 | 8 | TB | W-4001 | 6 | TT-4102 4-20mA + | W-4102 | 2 | TT-4102 (Reactor outlet) | |||||||||
| Rail 1 | 9 | TB | W-4001 | 7 | TT-4102 4-20mA - | W-4102 | 3 | TT-4102 (Reactor outlet) | |||||||||
| Rail 1 | 10 | TB | W-4001 | 8 | TT-4102 spare core | W-4102 | 4 | TT-4102 (Reactor outlet) | |||||||||
| Rail 1 | 11 | SCR | TT-4102 screen | W-4102 | SCR | TT-4102 (Reactor outlet) | SCREEN | ||||||||||
| Rail 1 | 12 | PE | TT-4102 PE | W-4102 | PE | TT-4102 (Reactor outlet) | E1 | PE | |||||||||
| Rail 1 | 13 | TB | W-4001 | 9 | LSH-4103 DI common | W-4103 | 1 | LSH-4103 (Sump tank) | |||||||||
| Rail 1 | 14 | TB | W-4001 | 10 | LSH-4103 DI signal | W-4103 | 2 | LSH-4103 (Sump tank) | |||||||||
| Rail 1 | 15 | TB | W-4001 | 11 | LSH-4103 spare core | W-4103 | 3 | LSH-4103 (Sump tank) | |||||||||
| Rail 1 | 16 | PE | LSH-4103 PE | W-4103 | PE | LSH-4103 (Sump tank) | E1 | PE | |||||||||
| Rail 1 | 17 | TB | W-4001 | 12 | XV-4104 open cmd | W-4104 | 1 | XV-4104 (Feed isolation) | |||||||||
| Rail 1 | 18 | TB | W-4001 | 13 | XV-4104 close cmd | W-4104 | 2 | XV-4104 (Feed isolation) | |||||||||
| Rail 1 | 19 | TB | W-4001 | 14 | XV-4104 open fbk | W-4104 | 3 | XV-4104 (Feed isolation) | |||||||||
| Rail 1 | 20 | TB | W-4001 | 15 | XV-4104 0V common | W-4104 | 4 | XV-4104 (Feed isolation) | |||||||||
| Rail 1 | 21 | PE | XV-4104 PE | W-4104 | PE | XV-4104 (Feed isolation) | E1 | PE | |||||||||
| Rail 1 | 22 | TB | W-4001 | 16 | HS-4105 stop loop A | W-4105 | 1 | HS-4105 (Field stop) | |||||||||
| Rail 1 | 23 | TB | W-4001 | 17 | HS-4105 stop loop B | W-4105 | 2 | HS-4105 (Field stop) | |||||||||
| Rail 1 | 24 | TB | W-4001 | 18 | HS-4105 spare core | W-4105 | 3 | HS-4105 (Field stop) | |||||||||
| Rail 1 | 25 | PE | HS-4105 PE | W-4105 | PE | HS-4105 (Field stop) | E1 | PE | |||||||||
| Rail 1 | 26 | SP | W-4001 | 19 | Spare core parked | SPARE | |||||||||||
| Rail 1 | 27 | SP | W-4001 | 20 | Spare core parked | SPARE | |||||||||||
| Rail 1 | 28 | SP | W-4001 | 21 | Spare core parked | SPARE | |||||||||||
| Rail 1 | 29 | SP | W-4001 | 22 | Spare core parked | SPARE | |||||||||||
| Rail 1 | 30 | SP | W-4001 | 23 | Spare core parked | SPARE | |||||||||||
| Rail 1 | 31 | SP | W-4001 | 24 | Spare core parked | SPARE | |||||||||||
| Rail 1 | 32 | SP | W-4001 | 25 | Spare core parked | SPARE | |||||||||||
| Rail 1 | 33 | SCR | W-4001 | SCR | Incoming screen (earthed one end) | SCREEN | |||||||||||
| Rail 1 | 34 | PE | W-4001 | PE | Incoming PE / box earth bar | E1 | PE | ||||||||||
| Rail 1 | 35 | SP | Spare terminal | SPARE | |||||||||||||
| Rail 1 | 36 | SP | Spare terminal | SPARE |
Cable check list
| Cable tag | Direction | Cores | PE | Screen | Description | Destination | Glanded | Continuity |
|---|---|---|---|---|---|---|---|---|
| W-4001 | Incoming | 25 | Yes | Yes | 25c x 1.5mm² SWA multicore, MCC-02 to JB-401 | MCC-02 / Panel section 4 | ||
| W-4101 | Outgoing | 4 | Yes | Yes | 4c x 1.5mm², pressure transmitter | PT-4101 (Line 4 header) | ||
| W-4102 | Outgoing | 4 | Yes | Yes | 4c x 1.5mm², temperature transmitter | TT-4102 (Reactor outlet) | ||
| W-4103 | Outgoing | 3 | Yes | — | 3c x 1.5mm², level switch | LSH-4103 (Sump tank) | ||
| W-4104 | Outgoing | 4 | Yes | — | 4c x 1.5mm², motorised valve | XV-4104 (Feed isolation) | ||
| W-4105 | Outgoing | 3 | Yes | — | 3c x 1.5mm², local stop station | HS-4105 (Field stop) |