Page
1 of 2
EDS
1078-001
Important
Information
TPN
3 Phase
Extension Boxes
For More
Information
This unit must be installed by a qualified
competent person
in compliance with current requirements for
Electrical Installations (IEE Wiring regulations Seventeenth Edition:
BS7671
).
!
Ensure that all power supplying this equipment is switched OFF before working on or inside the unit.
!
Confirm the power is off with an appropriately rated volt-sensing device.
!
Make sure all devices, covers and doors are replaced and secured before switching the power supply back on to the unit.
!
Remove the gland plates prior to slotting or cutting for cable entries to avoid ingress of swarf & other debris.
!
The user guide must be available for future reference after installation and testing.
Failure to follow these instructions could result in
serious injury or death
Models Available:
TPNEB Empty Expansion Box
TPNA16W 16 Way Type A Modular Service Box
TPNMM Multi-Function Meter Box
All models can be mounted to the top or the bottom of a TPN distribution board although as standard the TPNMM and the
TPNEB come ready to mount to the underside and the TPNA16W to the top of the TPN distribution board.
20
0
465
13
5
Dimensions
You Will Need:
n
Pozidrive PZ2
n
Long Reach Pozidrive
n
Hammer
n
Adjustable Screwdriver
n
Hole Punch/Jigsaw
20
0
465
13
5
Extension box instructions for 3PB _Layout 2 20/12/2013 14:10 Page 1
