I have series of lights, 32 of them with a 40 watt bulb totaling to 1280 watts. Can I use a 600 watt dimmer on only 25 % power max with out burning the dimmer out?
No, Dimmers are basically resistance devices. The max load on them is not at full brightness anyway.
SOURCE: when controlling a 300 watt cable lighting system
Sounds like a loose connection. If they all fo out, it's at the beginning of the circuit. Check all connections at the start of circuit.
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SOURCE: i have always used a lutron maestro dimmer. I
You should have just two wires plus a ground hooked up to the dimmer. It should install just like the maestro. If you are getting no lights with a double tap, or tap and hold, and if the led is not on, it is one of several things. Most are basic, but will list anyway. Check that your connections are good. Make sure you have power there. Make sure the bulbs are good. If all is fine, you probably have a defective dimmer if it worked prior to this. To test, take the dimmer out, restore power, and carefully touch one insulated wire to the other one. If the light comes on, it is the dimmer at fault.
SOURCE: we have 9 dimmers 2 - 20 amp circuits, each
The best thing you can do is call Lutron's tech support. It is a 24-hour, 7-day/week service and its free.
Having said that,
If the lights dim every 12-to-25 seconds, it tells me that something's effecting the line-voltage of the circuit. Sharing neutrals between two-lighting circuits is a common culprit, but I'm also wondering if there are other devices running off of those circuits besides the lighting. So what I'd recommend:
1) Try running both circuits off of the same phase in the breaker panel. Actually, at 7.9-Amps & 4.5-Amps (I'm assuming that's what you meant), you should be able to run them off of the same breaker. If that fixes the problem, your issue was most likely common neutral interaction. Solve by running a separate neutral... or... if you can swing it (assuming there are no other loads) leave it on that breaker.
2) Upgrade to a spec-grade dimmer like the NT-600-WH. The spec-grade products will compensate for line-voltage fluctuations that may occur from other devices that cause the line sag or un-sag.
Again, those are two base-level suggestions, but use tech support to take it a step further.
SOURCE: I have a 600 watt 1 pole Diva dimmer controlling
First of all, in general, dimmers (even at their highest setting) cause the lights to dim even a little bit. If you are doing a 1-for-1 comparison, you may notice a difference - but honestly, it shouldn't be THAT dramatic that you're able to notice it.
My first suggestion is to double-check the model number. There's a version of Diva with a "G" in the model number (DV-603PG-) which was designed with a lower-high-end light level than normal (designed to guarantee extra energy-savings).
If the model number checks out, my next suggestion is to upgrade to a spec-grade product (like an NT-600-WH). The commercia/specification grade products have a higher high-end than the residential grade products. It still will dim the lights a little bit, but will be better.
After that, I suggest calling tech support at 1-800-523-9466 for more suggestions. Its a free call and they're available 24/7.
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