Underground service conductors shall be protected form damage in accordance with 300.5 including minimum cover requirements.
Underground:
1: below the earth's surface. 2. underground or in hiding or a covert operation.
Don't expect complete historical accuracy or the portrayal of a single true narrative from Underground; rather, expect the show to attempt to capture the real circumstances and historical backdrop that inspire its characters' desire to flee slavery.
Literally, to pursue some action underground means to do so out of sight; that is, to do so for a reason in order to avoid being observed or to protect oneself from the perils of the upper world.
They enter the empty house after Donahue unwittingly aids Cato's plot by challenging Patty's initial decision to simply fire up the house with a shotgun. When she protests that Cato is incorrect, he shoots her in the head with the abandoned shotgun.
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