Single ending or Double ending led tube type for your retrofitting project ?
In retrofit project which is using led tube lights to replace traditional fluorescent lighting tubes, it’s very important to make clear old wire
connection type : single-ended or double-ended before replacements .
Traditional fluorescent tube lighting structure is as following:
Our Type B (Ballast by passed) led tube lights have two choices below :
(1) If your old fluorescent tube is double ended power wiring, you should choose double-ended led tubes for replacement;
Double End Powered (DEP) LED tube lighting means is powered on two ends , one for Living line , the other for Zero (null) line .
It should be rewiring to bypass ballast before replacement. In other words the old ballast should be cut off and connect two ends and power
(2) If your old fluorescent tube is single ended power wiring, you should choose single-ended led tubes for replacement ;
Single End Powered (SEP) LED tube lighting means is powered from one end, the other end is NOT live (This end is only used for fitting to
Bi-Pin socket with mounting secure function) .
The label will adhere on the end which is should be powered .
Features of LED Tubes whatever single-ending / double-ending :
– No UV and mercury , eco friendly ;
– Evergy saving, long life span ;
– 2 / 3 / 4 ft length available ;
– 120VAC / 220VAC global compatible;
Installation Instructions :
a) Disconnecting luminaire power ;
b) Taking off old tubes ;
c) Modifying circuits of old fluorescent lighting fixture ;
d) Change with new single-end / double-end led tubes ;
f) Power on modified lights & finished ;
g) No shock hazards ;
h) Easy installation and zero maintenance ;
If you are buy totally new integrated t5 / t8 led lighting fixtures or led tubes with bracket from 5 Star, you don’t need to consider this factor .
If these lights will be applied for replacing old traditional fluorescent glass tubes (Retrofitting Projects),
Please do make sure single-ending or double-ending led tube lights before purchase and operate rewiring by a qualified electrician .