The New John Gill Exposition of the Entire BibleExodus 40:25
And he lighted the lamps before the Lord…
lamps belonging to it: this, though it was the business of the priests
of Aaron, and his sons, yet they not being at present invested with
their office, was done by Moses, who in this and several other things
mentioned in this chapter officiated as a priest:
as the Lord commanded Moses,
(Exodus 25:37) .