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
on .
(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 .
