A vertical pole arrangement which is keyed between and extends upwardly to the ceiling from between a pair of space divider panels. The pole arrangement has a vertically elongated removable side cover which provides access to the interior of the pole arrangement for laying in of cables. The post arrangement...http://www.google.es/patents/US4716698?utm_source=gb-gplus-sharePatente US4716698 - Wall system with split pole for lay-in wiring