|
| |
| 30.
|
General
wiring conditions :
|
| g) |
Domestic
Heating and Cooking :
|
| |
A
special circuit for heating and cooking wherever
necesary shall be run from the Board's point of
supply. Wall plugs used on these circuits shall
be of the concentric type or three pin type, the
third pin connected to 11 earth". Two pin plugs
or lighting sockets shall not be allowed.
|
| h) |
Plugs
:
|
| |
All
plugs shall be switched on the live wire and not
on the neutral.
|
| i) |
Wiring
:
|
| |
Wiring
Single leads shall not be allowed to be run separately
in iron conduit.
|
| j) |
General
Wiring Condition : |
|
i)
|
A.
C. Motor Installation - Motors shall be provided
with control gear so as to prevent satisfactorily
the maximum current demand from the consumer's installation
exceeding the limit given in the following schedule
at any time under all possible conditions. Failure
to comply with these regulations will render the
consumer liable to disconnection from the supply
on account of the interference with the supply to
other consumers.
|
|
NATURE
OF SUPPLY
|
SIZE
OF INSTALLATION
|
LIMIT
OF MAXIMUM CURRENT DEMAND
|
|
Single
Phase
|
Upto
and including 1 H.P.
|
6
x full load current
|
| Three
Phase |
Upto
and including 3 H.P. |
3
x full load current
|
| |
Above
3 H.P. and upto
and including 10 H.P
|
2
x full load current
|
| |
Above
10 H.P & utpo
and including 50 H.P.
|
1.5
x full load current
|
| |
Above
50 H.P.
|
1.25
x full load current
|
Motors
of above 1 H. P. shall be wound for 3 phase, 400 volts
between phases.
In the case of major
schemes the following relaxation in the starting current
for three phase
motors may be permitted.
|
|
SIZE
OF INSTALLATION
|
LIMIT
OF MAXIMUM CURRENT DEMAND
|
|
|
Upto
and including 3 H. P
|
6
x full load current
|
|
|
Above
3 H. R and upto and
including 20 H.P
|
2
x full load current
|
|
Above
20 H. P. and upto and
including 50 H.P. |
1.5
x full load current
|
|
| Above
50 H.P. |
1.25
x full load current
|
|
|
|
|
