Grounding apparatus for a safety grounded tree
作者： Michael M. McRae
DOI:
关键词:
摘要: An artificial lighted tree is presented with power routed through the trunk of and three-wire safety grounding. The divided into sections for easy assembly, disassembly, storage. base grounded a three-prong electrical cord each section makes ground connection as it assembled to tree. Electrical connections lights may be made outside or within
lens.org 参考文章(14)
Wallace H. Wireman, Ground and polarity monitoring apparatus including means to correct improper polarity ,(1976)
Philip M Banner, Electrical safety grounding device means ,(1973)
Frank C. Martucci, Redundant electrical grounding system ,(1976)
L Garrett, Electrical plug with selectable grounding terminals ,(1973)
Charles Hagan, Electrical plug and outlet unit ,(1975)
Kevin P. O'Rourke, Multiple receptacle extension cord ,(1998)
Alexander B. Loomis, Ryan Seyffert, Jason Loomis, Tree topper with trunk attachable deformable conduit ,(2014)
Michael Nipke, Powered patio pole umbrella ,(2004)
Mitsuo Hirooka, AC power cord ,(1984)
Johnny Chen, Modular lighted tree with trunk electrical connectors ,(2011)