Knock-out Plugs and Lampholders Electric Hardware Identification Interactive Quiz Knock-out Plugs and Lampholders

Can you identify the following hardware? To answer the question, click on the photograph you think is the correct answer. A correct answer will generate APPLAUSE. An incorrect answer will generate another sound. To see the common names of the Hardware, click anywhere on the background. Then use the “page down” key, “down arrow” key, or another mouse click in the background area to move to the next question. Slide 2 of 15

Which of the following is the steel knock-out plug? Thermoplastic knock-out plug Cast weatherproof box closure plug Slide 3 of 15

Which of the following is the liquidtight knock-out plug? Solderless wire connector (wire nut) Thermoplastic knock-out plug Slide 4 of 15

Which of the following is the thermoplastic knock-out plug? Cast weatherproof box closure plug Armored cable (BX cable) bushing Slide 5 of 15

Which of the following is the 4-inch porcelain keyless lampholder? Nonmetallic lampholder for handy box 4-inch plastic pull-chain lampholder Slide 6 of 15

4-inch porcelain pull-chain lampholder with grounded receptacle Which of the following is the 4-inch porcelain pull-chain lampholder with grounding receptacle? 4-inch porcelain pull-chain lampholder with grounded receptacle Nonmetallic, globed watertight lampholder 4-inch plastic keyless lampholder Slide 7 of 15

Which of the following is the nonmetallic lampholder for a handy box? 4-inch plastic pull chain lampholder Nonmetallic, globed watertight lampholder Nonmetallic lampholder for handy box Slide 8 of 15

Nonmetallic lampholder for handy box Which of the following is the nonmetallic globed weatherproof lampholder for a round box? Nonmetallic lampholder for handy box Nonmetallic, globed watertight lampholder Nonmetallic, globed weatherproof lampholder for round box Slide 9 of 15

Nonmetallic, globed watertight lampholder Which of the following is the nonmetallic globed watertight lampholder? Nonmetallic, globed watertight lampholder Metallic weatherproof lampholder for round box Time delay plug fuse Slide 10 of 15

Which of the following is the 4-inch plastic keyless lampholder? 4-inch plastic pull-chain lampholder 4-inch porcelain pull chain lampholder with grounded receptacle 4-inch plastic keyless lampholder Slide 11 of 15

Which of the following is the 4-inch plastic pull-chain lampholder? 4-inch porcelain keyless lampholder Weatherproof lampholder for device box Slide 12 of 15

Nonmetallic, globed watertight lampholder Which of the following is the metal weatherproof lampholder for a round box? Nonmetallic, globed watertight lampholder Metallic weatherproof lampholder for round box Nonmetallic lampholder for handy box Slide 13 of 15

4-inch plastic pull-chain lampholder Which of the following is the metal weatherproof lampholder for a device box? 4-inch plastic pull-chain lampholder Nonmetallic, globed weatherproof lampholder for round box Weatherproof lampholder for device box Slide 14 of 15

The End This material was prepared by Dave Wilson, Information Technology and Communication Services, and reviewed by Dr. Joe Harper, Department of Agricultural Engineering, College of Agricultural, Consumer and Environmental Sciences, University of Illinois at Urbana-Champaign. Photographs by Cindy Lamb Basham and the author. The illustrated hardware may appear on the identification list of the Illinois Association of Vocational Agriculture Teachers Ag Mechanics Career Development Event. ITCS Instructional Materials 1401 South Maryland Drive Urbana, IL 61801 (217) 244-3906 FAX (217) 333-0005 http://www.aces.uiuc.edu/ITCS/IM Copyright © 2003 by the Board of Trustees of the University of Illinois. Quit Click Quit to exit this program ITCS Instructional Materials College of Agricultural, Consumer and Environmental Sciences University of Illinois at Urbana-Champaign Slide 15 of 15