Great advice Don & possibly timely to reduce this happening again.
I saw the aftermath of a fire at a proeatre, quite a while back.
While the techie was very experienced, even the best can make a blue.
They venue was having an open long weekend, to the general public of the area.
So they thought they would set up a café with tables on stage & light it up. Great idea so the techie thought if he ran the dimmed full lighting rig, at about 60% for the whole time of Friday morning to Monday night, this would put less pressure on the dimmer racks. However by Sunday afternoon, the fire Alarms went off. Which brought in all the roof exhaust fans, which sucked up all the soft hangings on stage, into the fly loft. Luckily there was no other suppression systems installed, like water deluge or the 'Iron' fire curtain. {Most of which work on heat detectors & not smoke]. The the Fire Brigade turned out in force. Successfully closing the show & the venue.
The red faced techie found out from the manufactures of the dimmers, that they are not designed to be operated at set fade position for over extended lengths of time. [Three days] rather only for a performance, witch will have varied changing lighting intensities fading up down for short periods.