Shemot 26:20

20 And for the second wall of the Mishkan on the tzafon (north) side there shall be twenty kerashim (planks):

Shemot 26:20 Meaning and Commentary

Exodus 26:20

And for the second side of the tabernacle the north side
The direction of the tabernacle was east and west; at the east end was the entrance into the holy place, and at the west end the holy of holies; and the two sides were north and south; and as on the south side, so on the north

[there shall be] twenty boards:
just the same number as the laws of building required.

Shemot 26:20 In-Context

18 And thou shalt make the kerashim (planks) for the Mishkan, twenty kerashim (planks) on the south side southward.

19 And thou shalt make arba’im sockets of kesef under the twenty kerashim (planks); two sockets under one keresh (plank) for its two yadot (tenons, projections), and two sockets under the next keresh (plank) for its two yadot.

20 And for the second wall of the Mishkan on the tzafon (north) side there shall be twenty kerashim (planks):

21 And their arba’im sockets of kesef; two sockets under one keresh (plank), and two sockets under the next keresh (plank).

22 And for the back of the Mishkan on the west, thou shalt make six kerashim (planks).