Question about Lithonia Lighting Psq500 Power Sentry Inverter Charger

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No power to lighting ballast ,only lights up on loss of power 277v at emergency ballast

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Follow the appropriate wiring exactly. There are about 6-8 different diagrams. Find your lamp type and number of lamps. Locate your ballast type (usually instant these days) Quite often these diagrams show a switch on the power lead going to the operating ballast. If it isn't on a switch be sure to wire it in with the lead to the emergency battery ballast.

Posted on Jul 01, 2010

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Posted on Jan 02, 2017

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I want t replace a mb2x40/120 rs ballast with a 120 277v electronic ballast how do i wire it


Rule #1: TURN OFF THE POWER AT THE BREAKER PANEL.
A fluorescent light ballast is a transformer that outputs a higher voltage than the input (120 volts). The electrocution hazard is very real.
Practically all ballasts have a drawing printed on the label. As a master electrician I still need the drawing to install them properly. Electronic ballasts should have a black and white wire for input voltage. The output to the lamps will be some combination of: red, yellow, blue.
The new ballast must also be matched to the type of lamp. Old fluorescent lamps were T12 (refers to the diameter). New lamps are T8 and produce more lumens with lower amperage.

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Any wiring diagram for a 277 volt emergency lighting ballast


If you refer to emergency lighting tube with 277 volt, here is the wiring diagram for your reference:
5a7c1481-901b-44d5-a312-a8085352aad2.jpg

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I have a problem, I want to add a photocell to a light, here is the setup, there is a capacitor with 2 wires coming from it, one is free, the other goes to the ballast, then 3 wires on the ballast, to hook...


1) Photocell needs to be wired on incoming power line.
The photocell is a switch, and the switch is powered by incoming voltage... 120V, 240V, 277V, etc.
http://waterheatertimer.org/How-to-install-and-troubleshoot-photo-eye.html

2) Add comment and describe voltage and how the light is powered.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

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400 watt hps grow light just bought it but wont work!


Please review the following information.

https://www.sunlightsupply.com/page/technical-information-guide

Take care note of the discussion of connecting the ballast to the lamp housing and ensuring the ballast is NOT connected to the mains when the lamp housing is connected or disconnected from the ballast.
Also be aware the system will not allow you to turn it off and then immediately turn it back on again. There is a built-in safety feature to ensure the lamp and ballast are not damaged due to loss of utility power. There is a 10-minute delay built into the system in the event utility power is lost..

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1 Answer

I have an LED exit sign that is not working. What steps do I need to do to troubleshoot?


If you've just installed it and it doesn't work, make sure that the ballast is rated for the power you're giving it. If you put 277v to the 120v taps, you've cooked it and the unit will have to be replaced. If you put 120v to the 277v taps, it will probably still work if you take it apart and wire it the correct way.
Otherwise, check all connections within the unit (even the ones you didn't make).

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Kill power to light and emergency single light does not turn on also with power on push test knob and emergency bulb not come on


Hello Ramon, Check the power back (battery cell) as without a functioning battery pack, the emerbency light won't function.

Typically the batery packs will need to be replaced periodically every 4-5 years, depending on the istallation location and ambient temperatures.

When you kill the power to the emergency lighting circuit the PSQ is switched to operate automatically on battery power only. The same thing occurs when you press the test button; it disconnects the lighting from the electric power that keeps the battery charged and ready for service. You might also want to check the bulbs with a test meter (remove the bulbs from the fixture and test with the Ohm setting) While rare that these bulbs burn out, since they aren't usually illuminated often, only during a power disruption/outage, etc.

Here's a link to the Lithonia site with the spec sheets for the PSQ series of emergency lighting products, for your use and reference.

http://www.lithonia.com/product/advSrch.aspx

I hope you find this Very Helpful and best regards!

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Wire connection from lighting ballast


What you do is cut the wires from the old ballast that feed to the fixture end connectors then 'wire nut' the new ballast wires to the old wires.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/craig_3fa289bf857b1a3c

Oct 02, 2009 | Electrical Supplies

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