Dale001289
Senior Member
- Location
- Georgia
When is a dimmer switch, occupancy and ambient sensors required? Is this a requirement of the local/state energy code or is this strictly a design decision based on the client specifications?
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Dimmers; Ambient sensors and Occupancy sensors
- Thread starter Dale001289
- Start date
Elect117
Senior Member
- Location
- California
- Occupation
- Engineer E.E. P.E.
Usually a requirement at a state level or at some kind of code adoption level (could be local).
You could have a requirement from certain companies that like to boast about efficiency or green initiatives.
There is also some cost savings in there for a long term application but typically a larger upfront cost. Some times people will specify LED with sunlight dimmers or additional windows to offset lighting loads. Just depends.
You could have a requirement from certain companies that like to boast about efficiency or green initiatives.
There is also some cost savings in there for a long term application but typically a larger upfront cost. Some times people will specify LED with sunlight dimmers or additional windows to offset lighting loads. Just depends.
Dale001289
Senior Member
- Location
- Georgia
Makes sense - thank you
hillbilly1
Senior Member
- Location
- North Georgia mountains
- Occupation
- Owner/electrical contractor
It’s called “light harvesting” when used with light sensors. Some utilities give rebates, other is state or local requirements. Large corporations usually want a two year payboff when doing upgrades.