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P & I Design Ltd.
Control Panel Specification
P & I REF.
PNL-##A2.SPC
SHT
7
OF
9
7.0
Instrument Tube and Fittings
7.1
Instrument tubing and fittings for the air supply, inputs and outputs shall be of the material
and size specified in the relevant panel specification.
7.2
Tubing within the cubicle shall be adequately supported, tubing can be run inside trunking.
7.3
To ensure no build up of pressure within a sealed cubicle, a suitable method of venting
must be adopted to ensure the required IP rating is maintained.
7.4
If a nylon or poly tube is used the correct insert or insert olive shall be used to ensure the
tube is not cut by compression of the fitting.
8.0
Internal Lights and Sockets
8.1
The power distribution drawings will show the requirements for lights and sockets within
the cubicle.
8.2
For 240V sockets, metal clad sockets shall be used, each being a double outlet.
8.3
Lighting shall be sufficient to provide an acceptable working level within the cubicle.
9.0
Labels
9.1
All equipment both internal and external shall be suitably labelled.
9.2
Where components can be removed from base equipment, both must be labelled to ensure
that on replacing the component there is no doubt which base unit goes with the
component. eg. 11 pin relays and bases.
9.3
On internal equipment, if manufacturer's labelling is not suitable, then additional labelling
shall be supplied.
9.4
Front of panel labels shall be fastened to the panel using non-corroding screws. This is also
preferred for internal equipment, if practicable, if not then a twin sided adhesive tape can
be used.