The new Republican majority at the labor board did away with limits on employer handbook rules that had vexed many in the management community since they were established by a previous, Democrat-controlled board in 2015.

The National Labor Relations Board overruled the “Lutheran Heritage” precedent in a 3-2 decision in a case involving the Boeing’s maintenance of a “no-camera” rule. The aerospace engineering company banned workers from using devices to take photos or videos on job sites without permission.

The...