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Depends if ballast is in fixture and switch is on. Several watts if new ballast and perhaps 15 watts for old ballasts....
To answer this question the voltage of the ballast must be stated and the type of lamp in the fixture.
need a universal voltage ballast 120/277 volt or a 277volt ballast
Check the ballast for the amperage and multiply it by the working voltage. This will give you the wattage that the fixture draws.
Yes, there is an excitation current that flows through the primary side of the transformer which is located in the magnetic ballast's casing.
Depends if ballast is in fixture and switch is on. Several watts if new ballast and perhaps 15 watts for old ballasts....
The end sockets have to be rewired. The schematic for the rewire is on the ballast label.
If the 250 watt bulb is a HID or similar type the ballast comes complete with the fixture. The bulb socket is also part of the fixture and comes pre-wired to the socket. To connect the bulb to the fixture all that has to be done is just screw it into the fixture's socket.
To answer this question the voltage of the ballast must be stated and the type of lamp in the fixture.
need a universal voltage ballast 120/277 volt or a 277volt ballast
Yes, but it will not work.
If the ballast of the HPS fixture has a 120 volt tap then, yes it can be plugged into a 120 volt receptacle.
Check the ballast for the amperage and multiply it by the working voltage. This will give you the wattage that the fixture draws.
Yes, there is an excitation current that flows through the primary side of the transformer which is located in the magnetic ballast's casing.
Purchase a new bulb and see if it works. If it does, the ballast is good, if it does't the ballast is bad. Return the new bulb and purchase a new ballast. Or, just buy a new fixture....its cheaper.
The terminology T8 suggests to me that the fixture is a fluorescent fixture. These types of tube fixtures need a ballast to make the tubes ignite. If you are trying to operate this type of fixture on 220 volts, you will need a ballast that requires a 240 volts input voltage source.
A pin based fluorescent light fixture is the type of fixture that takes fluorescent tubes. On each end of the fluorescent tubes there are contact pins. These pins are used to hold the tube in the fixture and to supply the voltage to the tube from the fixture's ballast.