Thank you for your question. Yes, this lamp is suitable for enclosed fixtures.
Yes, it is good for a living room.
Yes. Outside of box indicated indoor/outdoor. I used it as an outdoor flood light, so I don't know how well it works with a dimmer switch.
The flood and spot is the category of the bulb type. This bulb is a flood PAR38. Thank you.
From the HomeDepot.com web page: "Life: 22.8-years (based on 3-hours/day)". From the warranty document listed there: "This product has a five year warranty".
Energy used- 11.1 watts. Yes, it is instant-on.
Verger, this is the lowest PAR38 bulb that is CEC Title 24 compliant, it uses 11.1 watts and is equivalent to a 90-watt incandescent bulb. You can find a CEC Title 24 compliant 75 watt bulb but would have to go smaller to a PAR30S. If you have further questions please contact our customer service at 866-326-2852
This lamp is designed for outdoor use. You should use it in some sort of outdoor rated fixture.
Linda, thank you for the question. A PAR bulb is considered a spot light.