I have a 600 watt 1 pole Diva dimmer controlling five 65BR30m for a total of 325 watts. With the slide control all the way to the top, the lights will not reach maximum brightness (as compared to bypassing the dimmer). I tried another Diva with same results.

Transformer hum with dimmers is a problem. Lutron may offer you an inductor to add to the wire to help. Replacing your 50w bulbs with 12w LED bulbs may help, too. Same light output.

If it's turning on led s, that's nirnal

Which dimmer do you have. So I can look up the manual.
Are you using a fan dimmer, or light dimmer?
Does the dimmer feel warm to touch? or hot?
What does the dimmer control? Incandescent? Fluorescent?
How many total watts are being dimmed?
Is this a new dimmer or old dimmer that started having a problem?
Add a comment with as much detail as possible for best available answer.

If you need further help, I’m available over the phone at https://www.6ya.com/expert/gene_9f0ef4df2f9897e7

This switch is designed to dim incandescent lamps. It has nothing in its description about being used with CFL (compact fluorescent lamps) types. If you are attempting to dim standard CFL types, it will not work.

CFL's are available in both dim-able and standard types. As you may have guessed, only those marked as "dim-able" will work with a dimmer switch. Dim-able CFLs cost slightly more than standard CFLs but may be controlled by any switch. Dimmer switches may only control incandescent and other type lamps that specifically state they are compatible with dimmer switches.

If you are attempting to dim incandescent lamps, make sure that you are not trying to dim lamps with a total wattage greater than the dimmer can handle. Most dimmer switches are rated for 600 watts, if you have two dimmer switches under one wall plate, the wattage rating drops to about 500 watts. This de-rating is because of the heat the switches create. There are dimmer switches that can dim more than 600 watts, but the price skyrockets for a 1000 watt dimmer, and keeps climbing.

If your wattage is within the limits of the dimmer, check the bulbs. If they are ok, the dimmer may have failed and require replacement.

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These in-wall devices stop working and need to be replaced from time to time.
There are no repair parts.
Generally dimmers don't last as long as ordinary light switch, because they are electronic instead of mechanical.

Lutron makes the widest selection of dimmers.
http://www.lutron.com/Products/StandAloneControls/Dimmers-Switches/Pages/DimmersSwitches.aspx

Use link above to identify dimmer.
For example Skylark dimmer.

Then google search for a replacement.
For example: single pole 600 watt lutron skylark dimmer
Or: 3-way 600 watt skylark dimmer
Lutron also makes 1800 watt dimmers for larger loads.

Add a comment any time if you need more help.

You can also take advantage of fixya phone service.
Fixya expert will talk with you via phone for a price.

Sometimes a hellacious lamp blow-out or lighting strike can knock out the dimming element in the device. Call their tech support line at 1-800-523-9466. You may want to suggest that they upgrade you to a 1000-Watt dimmer so that the issue doesn't happen again.

Lutron Maestro MAW-600 manual:
Single-Pole 600 Watt Halogen/ Incandescent Dimmer (minimum 40 Watt)
http://www.lutron.com/TechnicalDocumentLibrary/0301106A.pdf

Lutron technical support 1.800.523.9466




You said pendant lights blew out.
How many total watts were those lights?
Did you remove aluminum break-away fins on side of device to match wattage?

Front indicator can be pulled out to cut power to circuit.
This is called FASS switch.
Try pulling out FASS switch and then pushing it back to see if it re-sets device.
Click breaker on-off to see if it resets device.
You replaced a single-pole switch that has two wires plug ground wire.
Each wire from switch goes to either screw on MAW-600 so it's hard to go wrong there.
Bare copper goes to green ground screw.
Otherwise, it looks like tech support is next step: 1800-523-9466

Need to know what is your issue. If you are asking how to hook it up it is a simple task. First you need to confirm if it is a single pole or 3-way switch. Does more than one switch control the light? If not is a single pole switch. I would first turn off the power to the switch you are replacing. Check this by turning on the light and turn off breakers one at a time until the light goes out. Take out old switch and connect new one. tkae one wire off old switch and connect it to one wire on dimmer. Doesn't matter which one. Take the second wire off the switch and connect it to the remaining wire of the dimmer. If you have a ground wire (bare copper wire) connected to the old switch and you have a bare or green wire on the dimmer, connect those together as well. Mount dimmer in box, re-energize circuit and you should be good to go. I am curious why you are using a 1000 watt switch (unless you are controlling more than 600 watts of lights)(9 65 watt bulbs = 585 watts). Let me know how you make out. Hope that helps.

First off, if your dimmer is getting hot, then there is something wrong. This is dangerous. Do not leave that dimmer in the wall. Remove it.

1) A typical wall switch controls up to 1400 Watts. Look at the watt rating of your dimmer. A 600 watt dimmer will control up to 600 watts. If you have 600 watts on your dimmer, expect a shortened lifespan for that device. If you have more than 600 Watts, expect overheating and possible fire.

2) Lutron makes 1000 Watt dimmers
http://www.lutron.com/Service-Support/Technical/InstallationInstructions/Pages/InstallationInstructions.aspx?syst=Dimmers+%26+Switches&prodn=Maestro%C2%AE+dimmer+%26+switch

3) Type of bulb: Review the specs shown on link above because they show wattage, and they also show which light the dimmer is made to control

4) If your lights are on a 3-way switch, then dimmer has 3 screws and connects to 3 wires. If your wiring is incorrect, it might give symptoms shown above.
If your switch had 2 wires and you put those wires on a dimmer with 3 screws, it might be wired incorrectly.
Check wiring. Re-post a question if your are confused about details.

5) There might be a short in the circuit ... or in the dimmer ... replace dimmer with another one from Home Depot and see if symptoms persist. Disconnect ground wire as a test only and see if symptoms disappear ... if so then there is a short somewhere in the circuit
Don't burn the house down.

You said they are 50 watt GU10's, so I would assume they are 120V halogens, and you must simply have gotten a bad dimmer. But if these GU10's are 50 watt equivalent (LED's or CFL's) then the bulbs will have their own transformers built into them, and would be incompatible with a dimmer switch. It also might be the case that you have low voltage halogens which would use a transformer, shared or individual, and these would also be incompatible with a dimmer. (I don't know offhand if GU10's are available with low voltage halogens.)