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L
UK question: ES light bulb better than bayonet?
10 11 12
Replies
220
Views
11K
Clive Mitchell
C
A
Y adaptor for 2 bulbs in celing pendant lampholder?
4 5 6
Replies
100
Views
7K
Alex Coleman
A
E
Why do street lights flicker in snowy weather?
3 4 5
Replies
94
Views
11K
krw
K
C
Bring Back the HP 15C Scientific Calculator
2 3
Replies
47
Views
4K
Cameron Dorrough
C
V
New GE Incandescent Lamp Technology
2 3
Replies
40
Views
3K
Paul M. Eldridge
P
D
Long warm-up time of CF lamps?
2
Replies
39
Views
4K
Daniel J. Stern
D
I
light color,auto vs photo lighting
2
Replies
37
Views
2K
Victor Roberts
V
V
Rogues Gallary
2
Replies
37
Views
2K
Victor Roberts
V
R
Low pressure sodium lamp
2
Replies
36
Views
4K
TKM
T
V
CFL Facts
2
Replies
35
Views
3K
Don Klipstein
D
P
What current is drawn by LED mains night light?
2
Replies
33
Views
4K
Charmed Snark
C
J
quality of incandescent lamps downhill
2
Replies
33
Views
2K
Don Klipstein
D
Ç
CFL effciency?
2
Replies
33
Views
3K
JM
J
S
Replace old fluorescent tube with brighter?
2
Replies
32
Views
4K
Andrew Gabriel
A
V
CFL Color Temperature
2
Replies
30
Views
4K
TKM
T
I
Chinese "nightlight" !!
2
Replies
30
Views
3K
Simon Waldman
S
D
outdoor beam projection questions
2
Replies
30
Views
2K
David McCall
D
T
Wiring mishap?
2
Replies
28
Views
6K
Nono
N
J
Dimmable CFLs? Spectacular Failures?
2
Replies
28
Views
3K
[email protected]
P
A
Still possible to get UK plug into standard light pendant
2
Replies
28
Views
2K
David Lee
D
R
Is looking at a bare mercury lamp light dangerous?
2
Replies
27
Views
3K
TKM
T
J
Hazing of car polycarbonate headlight lenses
2
Replies
26
Views
4K
Brandon Sommerville
B
M
High efficiency table tennis lighting
2
Replies
25
Views
9K
markp
M
C
LED fibre optic hack.
2
Replies
25
Views
3K
Adam Aglionby
A
J
BIG BOOSTERISM
2
Replies
25
Views
2K
Andrew Gabriel
A
P
Philips EcoBoost Halogen Lamps
2
Replies
23
Views
4K
Simon Waldman
S
R
Which gases are safe to watch in a Spectroscope?
2
Replies
23
Views
2K
AC/DCdude17
A
C
Insects and LED lighting.
2
Replies
22
Views
4K
Clive Mitchell
C
R
What's an "HPS" lamp?
2
Replies
21
Views
2K
Amelia M. Samples
A
D
High-CCT/CRI HPS question
2
Replies
20
Views
3K
AC/DCdude17
A
B
Two questions - LED Lighting and archive for this group.
2
Replies
20
Views
2K
Jim
J
M
advice needed
2
Replies
20
Views
2K
Clive Mitchell
C
J
office lighting recommendation
2
Replies
20
Views
5K
Tomsic
T
P
400W MH lamp with 600W HPS ballast
Replies
19
Views
5K
Victor Roberts
V
S
T-5 for under-counter use
Replies
19
Views
2K
Victor Roberts
V
T
Florescent lighting?
Replies
19
Views
2K
Don Klipstein
D
K
Best Compact Fluorescents
Replies
19
Views
2K
Kevin Bowling
K
I
Re: How does a TRIAC work
Replies
18
Views
7K
Don Klipstein
D
M
What would a 6000 watt metal halid e bulb be used for?
Replies
18
Views
1K
Andrew Gabriel
A
J
How do Philips X-treme power bulbs work?
Replies
17
Views
3K
JohnR66
J
V
Flicker in CFLs, linear fluorescent lamps and LEDs.
Replies
17
Views
5K
TKM
T
P
ANN: LED Luminossity Breakthrough
Replies
17
Views
1K
Alien Zord
A
S
LED when will it become good enough?
Replies
17
Views
2K
TKM
T
Z
Interesting dimmable CFL
Replies
17
Views
1K
Victor Roberts
V
N
4 watt CF bulb?
Replies
17
Views
2K
Clive Mitchell
C
B
Luxeon night lights?
Replies
17
Views
4K
Jeff Jonas
J
C
LED test lamp. (Risk of death)
Replies
17
Views
2K
Paul Hovnanian P.E.
P
J
Garden birds are attracted to feeders,
Replies
16
Views
2K
Clive Mitchell
C
M
Decorative Filament lamps?
Replies
16
Views
2K
Clive Mitchell
C
G
Halogen socket replacement needed
Replies
16
Views
4K
Victor Roberts
V
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