Installing equipment, is, in fact, explicitly called out as allowed under B-1 visa by the State Department: https://travel.state.gov/content/dam/visas/BusinessV

Installing equipment, is, in fact, explicitly called out as allowed under B-1 visa by the State Department: https://travel.state.gov/content/dam/visas/BusinessVisa%20Purpose%20Listings%20March%202014%20flier.pdf https://travel.state.gov/content/dam/visas/BusinessVisa%20Pu...