| 30.
|
General
wiring conditions :
|
| a) |
Mains
: |
| |
The
consumer's main shall in all cases be brought back
to the Board's points of supply and sufficient cable
shall be provided for connecting up with the Board's
apparatus.
|
| b) |
Switches
& Fuses :
|
| |
The
consumer shall provide proper linked quick break
main switche or requisite capacity to carry and
break current in each conductor near the commencement
of supply All the consumer's switches should be
on the live wire and the letter 'N' should be printed
on the wooden board directly underneath the neutral
conductor where it leaves the consumer's main switch
for connecting upto the meter. No single pole switch
cut-off should remain inserted in any neutral conductor.
|
|
c)
|
Balance
of Installation :
|
| |
If the connected load of any installation exceeds
10 amperes at 230 volts, the installation shall
be wired on the group system, separate neutral wires
being brought back in each case to the Iloard's
point of supply An approved form of linked switch
(single pole) with two single pole fuses shall control
each main circuit. The lamps, fans or any other
apparatus of which the installation consists shall
be so grouped that under normal working conditions
the current will be balanced and no current will
be flowing in the neutral wire.
|
| d) |
Low
and Medium Pressure Supply :
|
| |
With
low and medium pressure supplies, i. e. 230 volts,
the Board's meter and service cutouts, if not iron-clad
and earthed, shall be enclosed in a strong wooden
box suitably ventilated and provided with a hasp,
staple and lock. All wires between which a difference
of potential of 250 volts or over exists shall be
made inaccessible to unauthorised persons or enclosed
in an earthened metalic casing or conduit. A "CAUTION"
board printed in Hindi, regional language, and English
shall be affixed thereto.
|
| e) |
Aerial
mains -
|
| |
In
order to save the expense of long underground service
on private property a consumer may, with the Board's
approval, erect a pillar on that portion of his
property which is nearest to the Board's supply
mains into ;, 9 service shall be laid and from which
the consumer shall run overhead mains to his premises.
These overhead mains shall constitute a portion
of his installation and shall be laid in compliance
with the Indian Electricity Rules 1956. An efficient
lighting arrester may be fixed at the commencement
of the overhead line at the consumer's cost, should
he desire the same as an additional protection for
his installations.
|
| f) |
Earthing
:
|
| |
Gas
pipes shall on no account be used for earthing purposes.
All wiring shall be kept as far as possible away
from gas and water pipes.
|
