Electronic Ballasts
Here are Todays Amazing Electronic Ballasts Deals
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![]() NIB case of 10 Sylvania 4 Lamp Electronic Ballast QTP4x32T8 UNV ISN $119.00 Time Remaining: 8d 18h 20m Buy It Now for only: $119.00 Buy It Now | Add to watch list |
![]() 10x Superior Life 70204 Instant Start T8 Electronic Ballasts 32W New $12.95 (4 Bids) Time Remaining: 1d 18h 36m Bid now | Add to watch list |
![]() X Intense Pro Series Electronic Ballast HPS MH1000W New $20.50 (5 Bids) Time Remaining: 1d 16h 27m Bid now | Add to watch list |
![]() 10 advance t8 electronic ballast 4 bulb $53.00 (9 Bids) Time Remaining: 2d 21h 29m Bid now | Add to watch list |
![]() 17058Q TCP Electronic Ballast 13858B Lampholder 58W Circline CFL EC2CW 58 LPF $17.25 Time Remaining: 15d 17h 11m Buy It Now for only: $17.25 Buy It Now | Add to watch list |
![]() Lot of 8 GE14ORS120 DIY120 Rapid Start T12 Flourescent Light Ballasts 120V $0.99 (1 Bid) Time Remaining: 4d 1h 4m Bid now | Add to watch list |
![]() Hatch MC70 1 F 120U 120V 70 Watt Electronic Metal Halide Ballast NEW $2.25 (4 Bids) Time Remaining: 2d 23h Bid now | Add to watch list |
![]() 10 GE 72276 GE 232 MV N 42T T8 Ballast 120 277 Volts $69.00 Time Remaining: 12h 18m Buy It Now for only: $69.00 Buy It Now | Add to watch list |
![]() 10x Superior Life 70204 Instant Start T8 Electronic Ballasts 32W New $0.99 Time Remaining: 6d 12h 11m Bid now | Add to watch list |
![]() 5 x NEW Compact Fluorescent Electronic Ballast Universal Triad C242UNVBE 120 277 $59.89 Time Remaining: 3h 17m Buy It Now for only: $65.89 Buy It Now | Bid now | Add to watch list |
![]() AC ELECTRONICS CSS UV55T5HOS l CIRCLIN Elect Ballast $35.52 Time Remaining: 23h 16m Buy It Now for only: $35.52 Buy It Now | Add to watch list |
![]() 3pcs ADVANCED VEL 2P32 SC INSTANT START ELECTRONIC BALLAST NEW IN BOX $20.00 Time Remaining: 12h 48m Bid now | Add to watch list |
![]() 10 Dimmable Philips 120 Volt 4 ft T8 3 light Instant Start Electronic Ballasts $29.99 Time Remaining: 1d 15h 21m Bid now | Add to watch list |
![]() KEYSTONE KTEB 240 1 TP ELECTRONIC BALLAST $15.95 Time Remaining: 18d 20h 52m Buy It Now for only: $15.95 Buy It Now | Add to watch list |
![]() Induction 80 Watt Large Area Light for Street Patio Parking Lot or Walkway $150.00 Time Remaining: 3h 16m Buy It Now for only: $199.00 Buy It Now | Bid now | Add to watch list |
![]() Lot of 12 T8 277v Digital Electronic Ballasts For Flourescent Fixtures $29.99 (1 Bid) Time Remaining: 2d 3h 20m Bid now | Add to watch list |
![]() 17030Q TCP NPF Replaceable Electronic Ballast for 30W Circline CFL 30 Watt $13.35 Time Remaining: 2d 22h 5m Buy It Now for only: $13.35 Buy It Now | Add to watch list |
![]() Lot of 12 T8 277v Digital Electronic Ballasts For Flourescent Fixtures $29.99 Time Remaining: 2d 3h 19m Buy It Now for only: $59.99 Buy It Now | Bid now | Add to watch list |
![]() Induction 100 Watt Large Area Light for Street Patio Parking Lot or Walkway $170.00 Time Remaining: 3h 16m Buy It Now for only: $225.00 Buy It Now | Bid now | Add to watch list |
![]() Hatch HL224HO PS UV S Electronic T5 Fluorescent Ballast 1or2 Lamps 24W 120V 277V $14.99 Time Remaining: 6d 2h 26m Buy It Now for only: $14.99 Buy It Now | Add to watch list |
![]() Induction 70 Watt Large Area Light for Street Patio Parking Lot or Walkway $140.00 Time Remaining: 3h 16m Buy It Now for only: $189.00 Buy It Now | Bid now | Add to watch list |
![]() Lot of 3 GE High Bay 4 ft 4 light 120 277 Volt T8 High Power Electronic Ballasts $20.99 Time Remaining: 2d 14h 14m Bid now | Add to watch list |
![]() SUPER HID 70W ELECTRONIC BALLAST METAL HALIDE 120 277V METROLIGHT DIMMING 0 10V $35.00 Time Remaining: 29d 12h 36m Buy It Now for only: $35.00 Buy It Now | Add to watch list |
![]() Lot of 4 Sylvania 4 ft 4 light 120 Volt T8 Instant Start Electronic Ballasts $19.99 Time Remaining: 2d 14h 13m Bid now | Add to watch list |
![]() Lot of 3 Advance 4 ft 4 light 120 277 Volt T8 Instant Start Electronic Ballasts $14.99 Time Remaining: 2d 16h 16m Bid now | Add to watch list |
![]() 12536Q TCP 12537 Electronic Ballast for 36W Circline CFL EC2T 36 HPF $14.85 Time Remaining: 11d 41m Buy It Now for only: $14.85 Buy It Now | Add to watch list |
![]() Lot of 6 Advance 120 volt 4 ft 1 light T8 Electronic BallastsREL 1P32 RH TP $14.99 Time Remaining: 3d 14h 8m Buy It Now for only: $17.99 Buy It Now | Bid now | Add to watch list |
![]() E CONOLIGHT NEW in BOX 42 WATT 120 VOLT PHOTOCELL WALL MOUNT $24.99 Time Remaining: 19h 7m Bid now | Add to watch list |
![]() New Replacement for Viva 82155 1 Lamp Fluorescent Ballast for 55 watt Circline $34.50 Time Remaining: 16d 14h 49m Buy It Now for only: $34.50 Buy It Now | Add to watch list |
![]() Lot of 8 277v GE Electronic Ballasts for Flourescent light fixtures $15.99 Time Remaining: 1d 20h 54m Buy It Now for only: $39.99 Buy It Now | Bid now | Add to watch list |
![]() Techone 400W Street Lamp Cover and Electronic Ballast NEW $24.99 (1 Bid) Time Remaining: 15h 20m Bid now | Add to watch list |
![]() 5 THREE T5 TUBES INSTANT START ELECTRONIC BALLAST EP3 40IS $32.40 Time Remaining: 13d 11h 18m Buy It Now for only: $32.40 Buy It Now | Add to watch list |
![]() Lot of 5 120 277v Electronic Ballasts for Flourescent light fixtures $9.99 Time Remaining: 1d 20h 53m Buy It Now for only: $19.99 Buy It Now | Bid now | Add to watch list |
![]() Techone 400W Street Lamp Cover and Electronic Ballast NEW $27.00 (2 Bids) Time Remaining: 1d 16h 21m Bid now | Add to watch list |
![]() Fulham Workhorse 8 Fluorescent Ballast 120 Volt $25.85 Time Remaining: 19d 18h 3m Buy It Now for only: $25.85 Buy It Now | Add to watch list |
![]() Lot of 10 Advance 120 Volt 4 ft T8 2 light Electronic BallastsREL 2P32 RH TP $29.99 Time Remaining: 2d 19h 52m Bid now | Add to watch list |
![]() Lot of 5 Advance 120 Volt 4 ft T8 2 light Electronic BallastsREL 2P32 RH TP $14.99 Time Remaining: 2d 19h 54m Bid now | Add to watch list |
![]() one B232SR120V5 Universal triad Rapid Start Dimming Ballast Electronic $49.95 Time Remaining: 16d 22h 6m Buy It Now for only: $49.95 Buy It Now | Add to watch list |
![]() Lot of 3 Advance 120 277 Volt 4 ft T8 2 Light Electronic BallastsICN 2P32 SC $9.99 Time Remaining: 2d 20h 12m Bid now | Add to watch list |
![]() Philips REZ 2S54 Advance Mark 10 Powerline Electronic Ballast 54W New $1.04 (2 Bids) Time Remaining: 17h 23m Bid now | Add to watch list |
![]() 432 T8 ELECTRONIC BALLAST GE432 MV N 120 277 VOLT 10 PK $129.99 Time Remaining: 6d 10h 37m Buy It Now for only: $129.99 Buy It Now | Add to watch list |
![]() Philips F72 96 T8 Intellivolt Electronic Ballast Model IOP2P59SCI $15.00 Time Remaining: 20h 28m Bid now | Add to watch list |
![]() Lot of 11 277v Electronic Ballasts for Flourescent light fixtures $29.99 Time Remaining: 2d 3h 18m Buy It Now for only: $54.99 Buy It Now | Bid now | Add to watch list |
![]() 10 GE 260 IS MV N Electronic Ballast for 2 F96T12 bulbs GE260IS MV N GE 74474 $258.00 Time Remaining: 25d 11h 4m Buy It Now for only: $258.00 Buy It Now | Add to watch list |
![]() 10 4 lamp T8 triad universal electronic ballasts $85.00 (1 Bid) Time Remaining: 1d 23h 5m Bid now | Add to watch list |
![]() Universal ESB848 46 Ballast 120 to 277 VAC $2.25 (2 Bids) Time Remaining: 20h 18m Bid now | Add to watch list |
![]() VIVA SU13 13 watt Twist and Lock GU24 to G24q 1 4 Pin Socket Electronic Ballast $14.88 Time Remaining: 14d 23h 59m Buy It Now for only: $14.88 Buy It Now | Add to watch list |
![]() ELECTRONIC BALLAST E2 40RS 120MC 2 32 or 40 watt 4 BULBS 120 VOLT HOWARD IND $17.00 Time Remaining: 2d 20h 32m Buy It Now for only: $19.00 Buy It Now | Bid now | Add to watch list |
![]() Advance ICN 4P32 SC Instant Start Electronic Ballast lot of 5 $50.00 (1 Bid) Time Remaining: 17h 29m Bid now | Add to watch list |
![]() Lot of 10 Sylvania QHE2X32T8 UNV ISL SC B Ballast $99.95 Time Remaining: 22d 16h 55m Buy It Now for only: $99.95 Buy It Now | Add to watch list |
![]() 4 GE Electronic Ballast GE 232MAX N Ultra 120 277 $45.00 Time Remaining: 1d 23h 1m Bid now | Add to watch list |
![]() GE BALLASTS 72266 GE232MAX N ULTRA CASE OF 10 NEW $59.99 Time Remaining: 2d 13h 51m Buy It Now for only: $69.00 Buy It Now | Bid now | Add to watch list |
![]() Electronic Ballasts T8 32W for 2 Fluorescent lamps 20 $95.95 Time Remaining: 21d 17h 26m Buy It Now for only: $95.95 Buy It Now | Add to watch list |
![]() PHILLIPS ADVANCE OPTANIUM 10P2P59SC BALLAST NEW $23.95 Time Remaining: 23h 49m Buy It Now for only: $26.99 Buy It Now | Bid now | Add to watch list |
![]() PHILIPS ADVANCE RAPID START ELECTRONIC BALLAST NEW IN PACKAGE $7.99 Time Remaining: 1d 21h 48m Bid now | Add to watch list |
![]() Rapid Start Electronic Ballast 10 Pack 277V T8 $15.00 Time Remaining: 26d 19h 26m Buy It Now for only: $15.00 Buy It Now | Add to watch list |
![]() LOT OF 10 TRIAD 2 LAMP ELECTRONIC BALLAST F96T8 $85.00 (1 Bid) Time Remaining: 1d 23h 5m Bid now | Add to watch list |
![]() PHILIPS ADVANCE RAPID START ELECTRONIC BALLAST NEW IN PACKAGE $7.99 Time Remaining: 1d 21h 59m Bid now | Add to watch list |
![]() Triad C2642UNVME Electronic Ballast Compact Fluorescent $10.00 Time Remaining: 24d 22h 1m Buy It Now for only: $10.00 Buy It Now | Add to watch list |
![]() PHILIPS ADVANCE RAPID START ELECTRONIC BALLAST NEW IN PACKAGE $7.99 Time Remaining: 1d 21h 50m Bid now | Add to watch list |
![]() PHILIPS ADVANCE RAPID START ELECTRONIC BALLAST NEW IN PACKAGE $7.99 Time Remaining: 1d 21h 51m Bid now | Add to watch list |
![]() NEW ADVANCE ICN 4P32 SC CENTIUM INSTANT START ELECTRONIC BALLAST ICN4P32SC $11.95 Time Remaining: 8d 17h 29m Buy It Now for only: $11.95 Buy It Now | Add to watch list |
![]() PHILIPS ADVANCE RAPID START ELECTRONIC BALLAST NEW IN PACKAGE $7.99 Time Remaining: 1d 21h 56m Bid now | Add to watch list |
![]() NEW ELECTRONIC BALLAST 4 LAMP F32 FLUORESCENT 120VOLT 60 HZ FREE SHIPING $17.99 Time Remaining: 18h 48m Buy It Now for only: $19.99 Buy It Now | Bid now | Add to watch list |
![]() Box of 10 GE232 MVPS N Electronic Ballast 120 277V FOR 2 F32T8 fluorescent lamp $97.00 Time Remaining: 17d 14h 58m Buy It Now for only: $97.00 Buy It Now | Add to watch list |
![]() 2 Sylvania Quicktronic 1 or 2 lamp QTP2x32 T8 Ballast FO32 25 17 40 120V 277V $8.00 Time Remaining: 22h Bid now | Add to watch list |
![]() Lot of 7 NEW Fulham PONY ENERGY STAR Electronic Ballasts NPY 120 213CFL $16.95 Time Remaining: 3d 11h 13m Bid now | Add to watch list |
![]() Lutron Hi Lume Dimming Ballast FDB T432 277 1 S 32W T4 4 Pin Rapid Start $50.00 Time Remaining: 4d 18h 10m Buy It Now for only: $50.00 Buy It Now | Add to watch list |
![]() 10 TRIAD B232IUNVHP B 2 LAMP ELECTRONIC BALLAST $85.00 Time Remaining: 1d 23h 5m Bid now | Add to watch list |
![]() lot of 6ADVANCE 2 lamp electronic ballasts advance phillips f32t8 ICN2P32N $21.96 (1 Bid) Time Remaining: 4d 10h 4m Bid now | Add to watch list |
![]() C2642UNVME UNIVERSAL Electronic Compact Fluorescent Ballast Kit CFL Triad $19.95 Time Remaining: 1d 13h 6m Buy It Now for only: $19.95 Buy It Now | Add to watch list |
![]() Motorola Electronic Ballast $20.00 Time Remaining: 2d 17h 36m Buy It Now for only: $150.00 Buy It Now | Bid now | Add to watch list |
![]() PHILIPS ADVANCE RAPID START ELECTRONIC BALLAST NEW IN PACKAGE $7.99 Time Remaining: 1d 2h 34m Bid now | Add to watch list |
![]() 4 NEW Philips Advance Electronic Ballast ICN 4P32 SC $45.00 Time Remaining: 29d 23h 22m Buy It Now for only: $45.00 Buy It Now | Add to watch list |
![]() Fulham Workhorse 7 Fluorescent Solid State Electronic Ballast 120V WH7 120 L $4.95 Time Remaining: 3d 23h 37m Bid now | Add to watch list |
![]() Universal Triad B132IUNVEL A010C 120 277 volt electronic ballasts Case of 10 $44.95 Time Remaining: 2d 23h 14m Bid now | Add to watch list |
![]() GE ProLine T8 Multi Volt 4 Lamp Replacement Ballast Model 74465 $10.99 Time Remaining: 26d 17h 32m Buy It Now for only: $10.99 Buy It Now | Add to watch list |
![]() 10 TRIAD B332IUNVHP A 3 LAMP ELECTRONIC BALLAST $85.00 Time Remaining: 1d 23h 5m Bid now | Add to watch list |
![]() Flourescent Light Ballast $19.99 Time Remaining: 1d 7h 29m Buy It Now for only: $22.50 Buy It Now | Bid now | Add to watch list |
![]() New Case of 10 Sylvania Electronic Ballast QHE 2X59 T8 unv isl $149.95 Time Remaining: 27d 12h 57m Buy It Now for only: $149.95 Buy It Now | Add to watch list |
![]() LOT OF 10 ELECTRONIC BALLAST 4 LAMP RAPID START HI LO $9.99 Time Remaining: 4d 14m Buy It Now for only: $15.00 Buy It Now | Bid now | Add to watch list |
![]() Hatch FR 2600 electronic flurorescent ballast lamp NEW 26 watt $8.50 Time Remaining: 3d 15h 9m Bid now | Add to watch list |
![]() ACCUPRO T12 MODEL AP 275 IP 120 1 INSTANT START ELECTRONIC 2 LAMP LIGHT BALLAST $18.95 Time Remaining: 29d 20h 22m Buy It Now for only: $18.95 Buy It Now | Add to watch list |
![]() Philips Advance Centium ICN 4S54 90C 2LS G Electronic Ballast fo T5 lamps $20.00 Time Remaining: 1d 18h 24m Buy It Now for only: $30.00 Buy It Now | Bid now | Add to watch list |
![]() Techone 400W Street Lamp Cover and Electronic Ballast NEW $24.99 Time Remaining: 4d 12h 27m Bid now | Add to watch list |
![]() ACCUPRO T8 MODEL AK RC 432IP 120 INSTANT START ELECTRONIC BALLAST $18.95 Time Remaining: 29d 20h 22m Buy It Now for only: $18.95 Buy It Now | Add to watch list |
![]() Electronic Ballasts 2 96 Slimline T8 Lamps Box of 10 $95.95 Time Remaining: 5d 11h 12m Buy It Now for only: $105.95 Buy It Now | Bid now | Add to watch list |
![]() Electronic Ballasts T8 32W for 2 Fluorescent lamps 20 $90.25 Time Remaining: 5d 11h 11m Buy It Now for only: $99.75 Buy It Now | Bid now | Add to watch list |
![]() SYLVANIA QHE 4x32T8 UNV ISH SC 4 LAMP INSTANT START ELECTRONIC LIGHT BALLAST T8 $19.95 Time Remaining: 29d 20h 22m Buy It Now for only: $19.95 Buy It Now | Add to watch list |
![]() Electronic Ballasts 2 96 Slimline T8 Lamps Box of 07 $69.95 Time Remaining: 5d 11h 14m Buy It Now for only: $76.95 Buy It Now | Bid now | Add to watch list |
![]() Lutron Compact SE Fluorescent Dimming Ballast T4 4 Pin 32W 120V FDB T432 120 1 S $17.99 Time Remaining: 1d 17h 48m Bid now | Add to watch list |
![]() GE B332I120RH 80112 Ballast Triad Magnetek 120V T8 $16.00 Time Remaining: 21d 17h 30m Buy It Now for only: $16.00 Buy It Now | Add to watch list |
![]() GE ProLine 23671 Case of 10 T 8 Ballasts GE 232 120 N $50.00 Time Remaining: 5d 20h 51m Buy It Now for only: $60.00 Buy It Now | Bid now | Add to watch list |
![]() Electronic Ballasts 2 96 Slimline T8 Lamps 20 Units $181.00 Time Remaining: 5d 11h 13m Buy It Now for only: $199.95 Buy It Now | Bid now | Add to watch list |
![]() VIVA SU18 18 watt Twist and Lock GU24 to G24q 2 4 Pin Socket Electronic Ballast $14.88 Time Remaining: 6d 21h 39m Buy It Now for only: $14.88 Buy It Now | Add to watch list |
![]() 4 Lamp Instant Start T8 Electronic Ballast Universal Voltage $115.00 Time Remaining: 1d 15h 8m Buy It Now for only: $190.00 Buy It Now | Bid now | Add to watch list |
![]() OSRAM SYLVANIA QUICKTRONIC QTP2X32T8 UNV ISN SC for FT40DL ELECTRONIC BALLAST $0.99 Time Remaining: 4d 1h 24m Bid now | Add to watch list |
![]() Advance electronic ballast REB 4P32 SC for 3 or 4 F32T8 lamps $19.00 Time Remaining: 5d 13h 18m Buy It Now for only: $19.00 Buy It Now | Add to watch list |
![]() Philips REZ 2S54 Advance Mark 10 Powerline Electronic Ballast 54W New $0.99 (1 Bid) Time Remaining: 4d 18h 37m Bid now | Add to watch list |
![]() Electronic Ballast 2 96 Slimline T8 Lamps $6.95 Time Remaining: 5d 11h 10m Buy It Now for only: $8.95 Buy It Now | Bid now | Add to watch list |
More Great Information on Electronic Ballasts:
What Is a Electric Ballast Used For? by Tom Dahne
Electric Ballast:
An Electric ballast is an electronic device whose main purpose is to limit the amount of current flowing through an electric circuit. Hence it is also called as a control Gear for electric circuits.
There are many different kinds of electric ballasts. They can be simple ballasts, or may be very complex ballasts. A simple resistor put in series in an electric circuit is an example of a simple Ballast. This simple ballast can be used with small bulbs like Neon Lamps. But in case of simple ballasts, a lot of energy gets wasted using resistors, hence alternative complex ballasts are used nowadays which make use of Inductors, Capacitors or both, having suitable reactances.
Computerized ballasts or Remote controlled ballasts form the most complex type of electronic ballasts. These may be used with fluorescent lamps.
Ballasts are used in a circuit to provide a positive resistance to it. In some circuits, there are electronic devices which provide a negative resistance to it. Hence they withdraw a lot of current, which may lead to the damage of the source or that device. Hence, in order to regulate the amount of current flowing in a circuit the electronic ballasts are used with such devices.
Gas discharge lamps, etc. are some devices which provide a negative resistance to an electronic circuit.
LED's or Light emitting diodes have a resistance of their own, but its not sufficient enough to regulate the current flowing from the source through it, and hence electronic ballasts are required in series with them, in order to make the current appropriate so it does not destroys the Diode.
Rapid Start Electronic ballasts should be used for fluorescent lights having 40 watts as their average power, because such electronic ballasts cause lesser problems than others. True electronic ballasts are very useful for long time use. They produce a very high output as compared to other ballasts, keeps the temperature adequate and hence results in longer tube life.
The light emitted from Bulbs and lamps is about 12% more when true electronic ballasts are used, and their usage also helps in saving electricity up to 28%. That is, True Electronic ballasts give more output and also help to save electricity, and hence are better than Standard ballasts.
Also, instant start electronic ballasts should be avoided. Instant start ballasts provide a very high voltage at the time of switching the bulb on, so that the lights turn on instantly. But such instant starts wears the light bulb and decreases its intensity within a few days.
Having reflectors about your light may prove very friendly for the bulb or lamp, and may help to provide intense lightning, without much loss of electricity, and will prevent wearing down of your ballast.
Hence, Electronic ballasts, can be a boon for household or commercial lighting purposes, if used judiciously and properly.
Article Written By
Tom Dahne
Learn about lighting, lights and how to light your home inside and out, just visit http://www.guideforlighting.com and http://www.linkdirectory.com
Article Source: http://www.earticlesonline.com/Article/What-Is-a-Electric-Ballast-Used-For-/563916
If I replace 100 fluorescent (4 feet) lamps in my workshop with electronic ballasts what would be the saving?
Currently all the lamps have magnetic ballasts and they operate 8hrs per day and 24 days per month. If you need any more info I can provide. Thanx
There are some fluorescent lamps with magnetic ballasts that are almost as good as electronic ballasts. To understand your situation you will need to research the real power used according to your power meter, so correcting for power factor, then research what power electronic ballasts might use. If you just measure the current of magnetic ballasts it can be misleading. There may or may be a power saving, but I doubt there will be a cost saving in the short term. The light may be brighter.
Think of other things like skylights, and selectively wiring the lamps for day or night use too. There are also realistic power saving schemes relying on slight voltage reduction, which may be very relevant if the lamps do not match the supply properly. You could consult with someone experienced locally, find out if the tubes match the ballasts etc. In an old system this is very likely. This might also be shown by short tube life.
There is no simple answer to this. However if you need to replace the ballasts anyway for some reason, go for the electronic type with power factor correction. My limited experience with these suggests they are reliable, but I would consider surge (voltage spike) suppression devices on the lighting circuits anyway. Other advantages are that the higher frequency used should eliminate strobe effects around machines, reduce flicker and increase light output by 10%. Inverter efficiency may be 90%, so there is an expectation of lower losses. They can cause harmonics by distorting the mains, hence use the power factor correction types which eliminate that.
About strobe effect.
Above about 5kHz the light is continuous output. However poor quality electronic ballasts may have insufficient reservoir capacitance so output varies at twice the mains frequency, just like magnetic ones..
About lighting
Around machines have them lower and closer to the machine to increases light dramatically.
The first link is about specifying electronic ballasts.
The second link is a technical paper about electronic ballasts with power factor correction for those who might be interested.
The third link is about energy efficiency and fluoro lamps. It also mentions a BMASS power saver device which is in the fourth link. This may apply more to a 230V system in Australia that often has 240 or even 250V and possibly mixtures of unmatched new type tubes with old ballasts. Check if such things are effective in your area. It is an auto-transformer to reduce voltage but the voltage is managed to help with starting.
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