Titled alternating pink and «gold,» the installation was comprised of alternating units of pink and gold fluorescent light, installed at progressively larger intervals from one another, beginning at the center of each wall: two lamps (one pink, one yellow) were placed at the mid-point of each wall; then single lamps of alternating colors were placed on both sides of the pair, spaced at intervals of 2 feet, 4 feet, 6 feet, etc. — as many times as space allowed. (davidzwirner.com)
Combination clearance and side marker lamps are single lamps which simultaneously fulfill the requirements of clearance and side marker lamps. (law.cornell.edu)
It is dark outside, and inside a single lamp is burning. (religion-online.org)