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WIRING 

CAUTION: THIS IS AN EMERGENCY BATTERY BACKUP 

FIXTURE. Voltage could be present in Battery. To prevent 

high voltage from being present on output leads, inverter 

connector must be open. Do not join inverter connector 

until installation is complete and AC power is supplied to 

the emergency ballast. 
NOTE:

 Make sure that the necessary branch circuit wiring is 

available. An unswitched AC source of power is required. The 

emergency ballast must be fed from the same branch circuit 

as the AC ballast.
Do not use any supply voltage other than those specified 

below.
 

ND4R/E2 or ND4S/E2 

120V-277V, 50/60Hz

 
1.    Connect the UNSWITCHED black fixture lead to the HOT 

supply lead.

2.    Connect red and black lead together, if not using a 

switching method.

3.    If switching, connect SWITCHED red lead to a switch.
4.    Connect the COMMON fixture lead to the COMMON 

supply lead.

5.   For Lutron system, follow manufacturer’s instructions.
5.    Connect the GROUND wire from fixture to supply ground. 

Do NOT connect the GROUND of the dimming fixture to 

the output.

6.     All unused leads must be capped and insulated.
7.   After installation is complete, supply AC power to the 

emergency ballast and join the inverter connector.

9.   At this point, power should be connected to both the 

AC ballast and the emergency ballast, and the Charging 

Indicator Light should illuminate indicating the battery is 

charging.

10.  A short-term discharge test may be conducted after the 

emergency ballast has been charging for one hour. Charge 

for 24 hours before conducting a long-term discharge test. 

Refer to OPERATION.

MAINTENANCE 

Although no routine maintenance is required to keep 

the emergency ballast functional, it should be checked 

periodically to ensure that it is working. The following 

schedule is recommended:

1.  Visually inspect the charging indicator light monthly. It 

should be illuminated.

2.  Test the emergency operation of the fixture at 30-day 

intervals for a minimum of 30 seconds. 

3.  Conduct a 90-minute discharge test once a year. Fixture 

would operate at reduced illumination for a minimum of 

90 minutes.

To reduce the risk of electric shock, disconnect both normal and 
emergency power supplies and converter connector of the emergency 
ballast before servicing. Do not attempt to service the emergency 
ballast. The use of accessory equipment may cause an unsafe condition. 
Do not use this product for other than intended use. Refer any servicing 
indicated by these checks to a Qualified Service Personnel.

Note:  These instructions do not cover all details or variations in 
equipment nor do they provide for every possible situation during 
installation, operation or maintenance.

CLEANING

CAUTION: Be sure fixture temperature is cool enough to 

touch. Do not clean or maintain while fixture is energized.

1.  Do not open fixture to clean the LEDs.  Do not touch the 

LEDs.

2.  Do not touch reflector, lens, or trim cone.
3.  Do not clean any fixture surface with wood base cleaning 

material such as paper towels or tissues. Only use micro 
fiber cleaning cloth.

Easy Installation & Product Help

Tech Help Line

Call our experts 888 RAB-1000

©2016 RAB LIGHTING Inc.

Northvale, New Jersey 07647 USA

rabweb.com

Visit our website for product info

email

Answered promptly [email protected]

ND4R ND4S EM NEXTGEN IN-0416

TROUBLESHOOTING 

1.  Check that the line voltage at the fixture is correct.  Refer 

to wiring directions.

2.  Is the fixture grounded properly?
3.  For questions on compatibility of dimmers purchased 

separately refer to www.rabweb.com

4.  If the LED is blinking the fixture may be overheating. 

Remove the Trim assembly and if the fixture is labeled 

‘BLINKING LIGHT OF THIS THERMALLY PROTECTED 

LUMINAIRE MAY INDICATE OVERHEATING’ allow the 

fixture to cool down. Determine cause of overheating and 

remove. Fixtures with this label have a thermal protector 

that turns fixture off above a certain temperature. It will 

automatically restart when cool.

ND4R/ ND4S

LED EMERGENCY BATTERY BACK UP INSTALLATION INSTRUCTIONS

Thank you for buying RAB lighting fixtures. Our goal is to design the best quality products to get the job done right. We’d like to hear your comments. 
Call the Marketing Department at 888-RAB-1000 or email: [email protected]

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