More than 63A is flowing...
However much current is being drawn, the fault happened when you installed the new light - it follows then that you have probably wired the new light incorrectly.
For your own safety it may be best to call in an electrician - my guess is that you've connected the Switched Live (Hot) from the light switch to Neutral instead of to the lamp - not an unusual wiring fault.
63Amps is an awful lot for a lighting circuit even in 115V land - enough for over 7kW of lighting!
Y'all take care now...
Peccavi
September 2009
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