Emergency power supply

Claim 1

An emergency power supply comprising: input means for connection to a power line; output means for connecting said input means to electrical equipment so as to supply power thereto from the power line; supplemental power supply means connected to said output means and adapted to supply power to the electrical equipment upon a power abnormality in the power line; electrical energy storage means connected to said supplement power supply means and adapted to supply electrical energy thereto; sensing means for detecting said abnormalities in the power line; illumination means; switch means responsive to said sensing means and connected between said energy storage means and said illumination means, said switch means being operable to provide electrical energy flow between said storage means and said illumination means so as to cause illumination thereof during given periods in which said power abnormalities are detected by said sensing means and operable to prevent energy flow to said illumination means during other periods in whch said power abnormalities are not detected by said sensing means; and a portable housing means retaining said supplemental power supply means, said energy storage means, and said sensing means; and wherein said illumination means comprises a portable light disposed externally of said housing and connected thereto by an elongated connector that permits substantial relative movement between said portable light and said housing thereby permitting said light to be positioned so as to illuminate the electrical equipment.