This not harmful and
should not removed.
The installation designer must ask himself the following questions:
● Does this wiring system meet the contract specification?
● the wiring system compatible with this particular installation?
● need consider any special regulations such those required
by agricultural and horticultural installations, swimming pools or
flameproof installations?
● Will this type electrical installation aesthetically acceptable
and compatible with the other structural materials?
The installation electrician must ask himself the following questions:
● using materials and equipment which meet the relevant British
Standards and the contract specification?
● using appropriate fixing method for this wiring system or
piece equipment?
● Will the structural material carry the extra load that conduits and
cables will place upon it?
● Will fixings and fittings weaken the existing fabric the building?
● Will the electrical installation interfere with other supplies and services?
● Will all terminations and joints accessible upon completion the
erection period? (IEE Regulations 513.
It important that the wiring systems and fixing methods are appropri-
ate for the particular type installation and compatible with the struc-
tural materials used the building construction.Electrical installations and wiring systems
319
Copper cables may develop green incrustation patina the sur-
face, even when exposed normal atmospheres. However, the cable exposed environment
which might encourage corrosion, cable with overall PVC sheath
should used. The installa-
tion method chosen will depend upon the contract specification, the fabric of
the building and the type installation domestic, commercial industrial. These cables are generally fixed using plastic clips incorporating.3.)
● Will the materials being used for the electrical installation com-
patible with the intended use the building?
● working safely and efficiently and accordance with the IEE
Regulations (BS 7671)?
A domestic installation usually calls for PVC insulated and sheathed wiring
system.1 and 526.
Support and fixing methods for electrical equipment
Individual conductors may installed trunking conduit and individual
cables may clipped directly surface laid tray using the wiring
system which most appropriate for the particular installation. The electrical installation
must compatible with the installed conditions, must not damage the
fabric the building weaken load-bearing girders joists
