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[roger1818]

I would check with the your local
electrical code.  If I remember correctly
here in Ontario Canada, a 15A circuit can
have a maximum of 8 fixtures attached to it
(I would have to double check that to be
sure though).  Assuming the code allows you
to do simple math to calculate the maximum
number of fixtures for a 20A circuit, you
could only have 11 fixtures per circuit.

As far as putting 660W on a 600W dimmer, I
wouldn't do that.  You might be able to get
away with it if it is a temporary setup and
each switch is in a separate electrical box
(not ganged together).  You would have to
check with the manufacturer, but typically
you have to subtract 100W from the rating
for each additional dimmer that is in the
box (2 in a box, each would be rated at
500W, 4 in one box, each would be rated at
300W).

[marcus]

Thanks for all your inputs guys. I'm still
considering how to fix my problem. For those
curious people out there, I have redone my
once angled living room ceiling into a 5
different levels. Each level has an overhang
with indirect lighting coming out (pointing
to the ceiling). I wanted to have it on two
different circuits so that every other light
would light up on one circuit and vice
versa. The idea was so that I could
incorporate multiple colors if I so desired
in the future. It's a very big room, and
with five different levels, it's been tough.
When I get time, I'll post some pics online
so you guys can see the progress.

[marty]

Marcus,

I would LOVE to see those pics when you get
around to it. )

Marty K.

[Noam]

Maybe those are Canadian Watts? What's the
conversion rate? ;-) (just kidding)

[roger1818]

Noam:  You mean every country in the world
except the USA which is still stuck in the
dark ages Watts.

[Noam]

I still would be afraid to go anywhere near
a single light switch controlling 44 60W
bulbs. That must be one BRIGHT living room.

[marty]

LOL!!!  Are sunglasses required... or a
welding mask maybe?  I'm kidding, of
course.  Still want to see some pics.

Marty K.

[leko2]

I noticed that this topic has cooled down with no responses in a while.  Remember, that as you approach the limit of the breakers the line voltage becomes critical.  A 2300 watt load on a 20 breaker, will be more likely to trip at 115 volts than 120 volts.  Even if the 44,  60 watt lamps don't seem to affect the breaker, a surge such as a lamp burning out, or a motor starting in the same service, can cause the breaker to blow.

TED

[Walt2]

Maybe those are Canadian Watts? What's the
conversion rate? ;-) (just kidding)

You mean either imperial watts or metric watts  ? ? ? 

[nklght]

I cannot believe somebody is actually powering 44- 60 watt bulbs on a single circuit.  That circuits wiring probably needs to be replaced, even though nothing has happened, some insulation breakdown has probably occured.