E.H.V.                              Where the voltage exceeds 33,000 Volts under normal conditions subject,        however, to the percentage variations allowed by Indian Electricity Rules, 1956.

Equipment Design Voltage: HT: 24 kV,16.5 kV,12 kV and 2.4 kV

(System Highest Voltage) LT: 440 V and 240 V

Forced Outage                 An outage of a Generating Unit or a Transmission System or distribution system due to a fault or other reasons which has not been planned.

Force Majeure                 Any event which is beyond the control of the HPSEB which they could not foresee or with a reasonable amount of diligence could not be prevented and which substantially affect the performance by either party such as but not limited to:-

a)      Acts of god, natural phenomena, including but not limited to floods, droughts, earthquakes and epidemics, fire etc..

b)      Acts of any government domestic or foreign, including but not limited to war declared or undeclared, hostilities, priorities, quarantines, embargoes.

c)      Riot or Civil Commotion.

d)      Grids failure.

Grid Code                         A document describing the philosophy and the responsibilities for planning and operation of  State Power System and carrying approval of the HPERC.

HPEGC                             Himachal Pradesh Electricity Grid Code

HPSEB                             Himachal Pradesh State Electricity Board

HPEDC                            Himachal Pradesh Electricity Distribution Code

H.P.E.R.C.                       Himachal Pradesh  Electricity Regulatory Commission.