Bare ActsKerala Electricity Supply Code, 2014

Section 16

Installation of alternating current (AC) motors in low tension system.--

Amendment status not verified — confirm the current text below against the official source.

1) No alternating current (AC) motor shall be connected to the low tension system of the licensee unless the motor and the installation thereof have a suitable device to limit the starting current in accordance with the requirements indicated below. (2) Supply of electricity shall not be given to any applicant at low tension for utilising induction motors of 0.746kW (1HP) capacity or above or for welding transformers of 1kVA capacity or above, unless shunt capacitors of appropriate rating are installed by the consumer across the terminals of such motors or welding transformers, to achieve an average monthly power factor that is specified by the Commission in the tariff order. (3) Motors of low tension shall be provided with control gear to satisfactorily prevent the maximum current demand of the motor, from exceeding the limits given in the following table under all possible conditions: Nature of supply Size of installation Maximum current demand single phase or three phase up to and including 0.75 kW six times the full load current above 0.75 kW and up to and including 7.5 kW three times the full load current above 7.5 kW up to and including 11 kW two times the full load current above 11 kW one and half times the full load current (4) Failure to comply with these requirements shall render the supply of electricity liable to be disconnected. (5) The licensee may, depending on the location and condition of working, relax the above requirements relating to the starting current. (6) A triple pole linked switch, protected by a no-volt release, shall be installed and maintained in good working condition to control the motor circuit. (7) A triple pole fuse or overload relay shall be installed and maintained in good working condition for protection from overload. (8) Wiring for motors shall be run with all three-phase wires bunched in a single metallic conduit, which shall be efficiently earthed throughout and shall be connected to the frame of the motor from which two separate earth wires shall be run. (9) The minimum permissible size of the earth wire shall be [as per IS 3043, 1987] (10) Further provisions in the Central Electricity Authority (Measures Relating to Safety and Electric Supply) Regulations, 2010, as amended from time to time, relating to installation of motor shall be complied with in every respect. Substituted by Notification published in K. G. Ext. No. 1267 dt. 25/05/2015. Prior to the amendment it read as "No. 8 Standard Wire Gauge (SWG) copper or equivalent"

Section 16 – Kerala Electricity Supply Code, 2014 | DailyLaw.ai