ðə kˈeɪbəlz ʌvðə ɡɹˈɪd ɐbsˈoːɹb ænd ɹˌiːdᵻɹˈɛkt sˌʌm ʌvðə lˈaɪt fɹʌm ɐ fˈɪkstʃɚ, lˈiːdɪŋ tʊ ɐ nˈɛɡlɪdʒəbəl lˈɔs ɪn tˈoʊɾəl lˈaɪt ˈaʊtpʊt.
The cables of the grid absorb and redirect some of the light from a fixture, leading to a negligible loss in total light output.