Oregon Revised Statutes Utility Regulation § 757.765

(a) “Outdoor lighting fixture” means an automatically controlled searchlight, spotlight, floodlight or other device used for architectural lighting, lighting streets or parking lots, landscape lighting, billboards or other artificial illumination or advertising purposes.

(b) “Public utility” has the meaning given that term in ORS 757.005.

(c) “Shielded” means that a light fixture is designed to ensure that direct or indirect light rays emitted from the fixture are projected below a horizontal plane running through the lowest light-emitting point of the fixture.

(a) Incandescent outdoor lighting fixtures of not more than 150 watts;

(b) Light sources of not more than 70 watts that are not incandescent lighting fixtures;

(c) Outdoor lighting fixtures on advertising signs on interstate or federal primary highways;

(d) Navigational lighting systems at airports or other lighting necessary for aircraft safety; or

(e) Outdoor lighting fixtures necessary for worker safety at farms, ranches, dairies or feedlots or at industrial, mining, oil or gas facilities.