Installation Instructions
Operating Instructions  L11.5T8EX4xx Series
MaxLite External LED T8 - 4FT
© Copyright 2019. MaxLite, Inc. All Rights Reserved.
12 York Ave, West Caldwell, NJ 07006 Tel: 800-555-5629 Fax: 973-244-7333 Email: info@maxlite.com
Page: 1
REV: 1/03/19
®
General Safety Information
WARNING – RISK OF FIRE OR ELECTRIC SHOCK. INSTALLATION OF THIS RETROFIT KIT 
REQUIRES A PERSON FAMILIAR WITH THE CONSTRUCTION AND OPERATION OF THE 
LUMINAIRE’S ELECTRICAL SYSTEM AND THE HAZARD INVOLVED. IF NOT QUALIFIED,
DO NOT ATTEMPT INSTALLATION. CONTACT A QUALIFIED ELECTRICIAN.
WARNING – RISK OF FIRE OR ELECTRIC SHOCK. INSTALL THIS KIT ONLY IN THE 
LUMINAIRE THAT HAS THE CONSTRUCTION FEATURES AND DIMENSIONS SHOWN IN 
THE PHOTOGRAPHS AND/OR DRAWINGS AND WHERE THE INPUT RATING OF THE 
RETROFIT KIT DOES NOT EXCEED THE INPUT RATING OF THE LUMINAIRE.
DO NOT MAKE OR ALTER ANY OPEN HOLES IN AN ENCLOSURE OF WIRING OR ELECTRICAL 
COMPONENTS DURING KIT INSTALLATION.
WARNING – TO PREVENT WIRING DAMAGE OR ABRASION, DO NOT EXPOSE WIRING TO EDGES OF SHEET METAL OR
OTHER SHARP OBJECTS.
THIS RETROFIT KIT IS ACCEPTED AS A COMPONENT OF A LUMINAIRE WHERE THE SUITABILITY OF THE 
COMBINATION SHALL BE DETERMINED BY AUTHORITIES HAVING JURISDICTION. PRODUCT MUST BE INSTALLED BY
A QUALIFIED ELECTRICIAN IN ACCORDANCE WITH THE APPLICABLE AND APPROPRIATE ELECTRICAL CODES. THE
INSTALLATION GUIDE DOES NOT SUPERSEDE LOCAL OR NATIONAL REGULATIONS FOR ELECTRICAL 
INSTALLATIONS.
WARNING: TO AVOID POTENTIAL FIRE OR SHOCK HAZARD, DO NOT USE THIS RETROFIT KIT IN LUMINAIRES 
EMPLOYING SHUNTED BI-PIN LAMPHOLDERS. NOTE: SHUNTED LAMPHOLDERS ARE FOUND ONLY IN 
FLUORESCENT LUMINAIRES WITH INSTANT-START BALLASTS. INSTANT- START BALLASTS MAY BE IDENTIFIED BY
THE WORDS “INSTANT START” OR “I.S.” MARKED ON THE BALLAST. THIS DESIGNATION MAY BE IN THE FORM OF A
STATEMENT PERTAINING TO THE BALLAST ITSELF, OR MAY BE COMBINED WITH THE MARKING FOR THE LAMPS
WITH WHICH THE BALLAST IS INTENDED TO BE USED [e.g., “F40T12/IS”]. FOR MORE INFORMATION, CONTACT THE
LED LUMINAIRE RETROFIT KIT MANUFACTURER.
INSTALLERS SHOULD NOT DISCONNECT EXISTING WIRES FROM LAMPHOLDER TERMINALS TO MAKE NEW 
CONNECTIONS AT LAMPHOLDER TERMINALS. INSTEAD, INSTALLERS SHOULD CUT EXISTING LAMPHOLDER LEADS
AWAY FROM THE LAMPHOLDER AND MAKE NEW ELECTRICAL CONNECTIONS TO LAMPHOLDER LEAD WIRES BY 
EMPLOYING CONNECTORS SUITABLE FOR THE APPLICATION.
THIS DEVICE IS NOT INTENDED FOR USE WITH EMERGENCY EXITS.
SUITABLE FOR DAMP LOCATIONS.
USE ONLY LUMINAIRE WITH LAMP COMPARTMENT DIMENSIONS 1218mm LENGTH, 573mm WIDTH, 65mm DEPTH
NOTE: The external T8 lamps can be installed single-ended or double-ended. 
(See page 2 for single-ended installation or page 3 for double-ended.)








