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source4+wall outlet = ?

Discussion in 'Lighting and Electrics' started by Florple, May 27, 2009.

  1. Florple

    Florple Member

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    The eigth grader orientation day at my high school is coming up and part of it is each group such as band and sports and gamer's club set up booths in the gym to attract new members. I am gonna set up a super-duper techie booth with live cameras and whatnot but my one question is about the elipscan. The motors that move the mirror already plug into a wall outlet, but the light that shines into the mirror, a source4, uses stagepin, and i don't have a small portable wall outlet powered dimmer rack. What would happen if i plugged one end of a stagepin-edison adapter into a wall outlet and the other end directly into the instrument? I'm hoping it will just make the light shine at full but I really have no idea if this is common practice or really stupid and gonna explode.
     
  2. icewolf08

    icewolf08 CBMod CB Mods

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    It will work just fine. However, make sure that you have enough power for everything you are bringing! If your booth is powered off something like a power strip, they are usually only fused for 15A total which is 1800W (no more than three source fours lamped at 575W). However, if you and the booth next to you plug in power strips to the same outlet, you are sharing probably a 20A (2400W) circuit. So make sure that you really know how much power you need or your booth could go from cool to flop in seconds!
     
  3. rochem

    rochem Well-Known Member

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    Yes, it will just bring the instrument to full intensity. We have an extension cable attached to a hot wall circuit which we carry around during hangs to help troubleshoot instruments that aren't working. And obviously keep an eye on how much power is running into each wall circuit. I don't know how much power the elipscan eats up, but just make sure you do the math before you put them on the same circuit.
     
  4. len

    len Well-Known Member

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    Remember that just because an outlet is rated for 15 or 20 amps, that doesn't mean that what is on that particular outlet is the TOTAL load for that circuit. It is possible that that outlet is wired to other outlets as well and whatever is on those outlets will add to the total load for the circuit.
     
  5. quarterfront

    quarterfront Member

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    FYI, a single Source-4 with a 575W lamp is going to draw about 5 amps.
     
  6. Florple

    Florple Member

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    In terms of power usage, the motors are actually little 12v servo deals, and should draw negligable power, but i will definitely use a seperate circuit for the portable 1200w amp! Thanks for your help :)
     
  7. natethegreat

    natethegreat Member

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    you are definitely able to plug in a source four. over this past school year we had our theatre renovated and so one of our shows and all of our practices were done in a cafetorium that was made available to us by our principal. we hung batons from the metal girding (above the suspended ceiling) and used dimmer packs and daisy chained the dimmer packs. we found that absolute max is 3 575W source fours per circuit. in the future, if its for small venues where color temp isnt that much of a deal go for 300W bulbs, you'll be able to add a 4th source four on the circuit. a little extreme for what your doing, but if you want to be able to dim it you can definitely take a dimmer wall switch and hook it up to the light and then to the wall socket so that you can dim the source four.
     
  8. avkid

    avkid Not a New User Fight Leukemia

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    Many of those wall dimmer switches will not tolerate a constant 300 watt load.
     
  9. willbb123

    willbb123 Active Member

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    They do make dimmer switches that will handle the load, but they are going to cost you $60+ for a single switch.
     
  10. gafftapegreenia

    gafftapegreenia CBMod CB Mods

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    Ok I know you are new here so I'll go easy on you, but nevertheless,

    They are called battens, not batons.

    Source 4's can be lamped at 750, 550 (Dimmer Doubling only) 575 or 375. There are no 300 watt lamps for them. And it's preferred to call them lamps, not bulbs.

    While the "wall dimmer switch in a portable box" method has been done for years and will continue to be, grabbing the cheapest rotary dimmer from the hardware store and doing this method is frowned upon, and it against electrical code. Dimmers like that are meant to be installed permanently and often for lower wattage situations. No more than one Source 4 can be put on one. Now, a person can certainly buy a "wall type" dimmer suitable for the purpose, but of course, they are alot more heavy duty and alot more expensive.
     
    Last edited: May 28, 2009
  11. derekleffew

    derekleffew Resident Curmudgeon Senior Team Premium Member

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  12. natethegreat

    natethegreat Member

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    automatic spellcheck changed it to batons and i didnt catch it. and i meant 375, not 300, to make the point that you can use 4 source fours per circuit. and lamps, bulbs, es ist mir egal. next time ill pull out the red pen
     
  13. porkchop

    porkchop Well-Known Member

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    Having been someone that Derek has corrected numerous times over my membership here I understand the step back and justify method but did you really modify the lamp base and order the special 375W bulbs meant only for dimmer doubling on an ETC sensor rack? That seems like an awful lot of money/time for rehearsals in a "cafetorium." It sounds more like you lamped at 575W lamps, played nice with your fixtures, and just barely make it under 2400W (20a @ 120w, where 575 * 4 = 2300W). Also I have no idea what "es ist mir egal" means, I have a feeling I can guess through context, but more common terms would make you more understandable.
     
    Last edited: May 28, 2009
  14. porkchop

    porkchop Well-Known Member

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    I Got tired of editing my last post so I will further say that HPL 375W lamps use just over 3 amps so yes if you bought them specially for rehearsals you could fit 4 even on a 15 amp wall breaker, but I still doubt that is the case unless you use 375W lamps in your actual theatre. Also dimmer doubling lamps are 77V 550W lamps that would pop breakers faster than 120 V 575W lamps because of the higher amperage used per lamp. In numbers the 77V 550W dimmer doubling lamps require just over 7 amps each while 120V 575W require just under 5 amps each. So in the end the 120V lamp are still a better option for fixture/circuit.
     
    Last edited: May 28, 2009
  15. natethegreat

    natethegreat Member

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  16. hhslights

    hhslights Member

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    It should work just fine. I set up the light for the same thing at my school last year and it went off fine. Just make sure that you do not plug it into a power strip and the light should work.
     
  17. Lightingguy32

    Lightingguy32 Active Member

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    It should work fine.
     
  18. renegadeblack

    renegadeblack Active Member

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    The plain and simple of it is, yes. If you have pretty much only that light on the circuit, maybe with the exception of the motor controls, you will be fine to use a female stage pin to male edison adapter. As was said though, make sure you know what you have on your circuit because it can go from cool to suck in a hopefully relatively short amount of time hoping that you have functional circuit breakers, if you don't, a pyro effect would be pretty cool :)
     
  19. JD

    JD Well-Known Member

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    Ah... just in case it was not covered; Needless to say, you cannot run one of the 77 volt "dimmer doubling" lamps off a 120 volt wall outlet. It would be popsville for the lamp.
     

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