CA2471293A1 - Outlet box knockout - Google Patents

Outlet box knockout Download PDF

Info

Publication number
CA2471293A1
CA2471293A1 CA002471293A CA2471293A CA2471293A1 CA 2471293 A1 CA2471293 A1 CA 2471293A1 CA 002471293 A CA002471293 A CA 002471293A CA 2471293 A CA2471293 A CA 2471293A CA 2471293 A1 CA2471293 A1 CA 2471293A1
Authority
CA
Canada
Prior art keywords
tangent location
outlet box
depth
knockouts
opposite
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002471293A
Other languages
French (fr)
Other versions
CA2471293C (en
Inventor
Eric G. Hull
Gregory D. Turcovsky
Dennis P. Revlock, Sr.
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lamson and Sessions Co
Original Assignee
Lamson and Sessions Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lamson and Sessions Co filed Critical Lamson and Sessions Co
Publication of CA2471293A1 publication Critical patent/CA2471293A1/en
Application granted granted Critical
Publication of CA2471293C publication Critical patent/CA2471293C/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02Details
    • H02G3/08Distribution boxes; Connection or junction boxes
    • H02G3/081Bases, casings or covers
    • H02G3/083Inlets
    • H02G3/085Inlets including knock-out or tear-out sections

Abstract

An electrical outlet box molded of plastic material has a knockout arrangement in a box wall that is formed by inner, intermediate and outer circular grooves that are eccentrically positioned to overlap at a tangent location a nd define inner, intermediate and outer eccentrically positioned circular knockouts. T he grooves vary in depth from a minimum depth at the tangent location to a maximum depth opposite from the tangent location. Areas of increased weakness are provided in the box wall at the bottoms of at least the inner and intermediate groove s, and screwdriver slots are provided in the knockouts opposite from the tangent location.
CA002471293A 2003-10-07 2004-06-14 Outlet box knockout Active CA2471293C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/680,798 2003-10-07
US10/680,798 US7353961B2 (en) 2003-10-07 2003-10-07 Outlet box knockout

Publications (2)

Publication Number Publication Date
CA2471293A1 true CA2471293A1 (en) 2005-04-07
CA2471293C CA2471293C (en) 2009-03-17

Family

ID=34394425

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002471293A Active CA2471293C (en) 2003-10-07 2004-06-14 Outlet box knockout

Country Status (2)

Country Link
US (1) US7353961B2 (en)
CA (1) CA2471293C (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6737576B1 (en) 2003-05-16 2004-05-18 Thomas & Betts International, Inc. Electrical box assembly
US7078618B2 (en) * 2004-05-18 2006-07-18 Thomas & Betts International, Inc. Wall recessed outlet box assembly
US7667145B2 (en) * 2004-05-18 2010-02-23 Thomas & Belts International, Inc. Recessed outlet box assembly
CA2516205C (en) * 2004-08-17 2010-03-09 Thomas & Betts International, Inc. Wall plate assembly
US7271339B2 (en) * 2004-08-17 2007-09-18 Thomas & Betts International, Inc. Wall plate assembly
US7549549B1 (en) * 2005-10-31 2009-06-23 Bridgeport Fittings, Inc. Universal low voltage box bracket
US20080121764A1 (en) * 2006-09-29 2008-05-29 Igor Komsitsky Line Block Supports and Methods and Apparatus for Making and Using and Reconfiguring for Alternate Sizes of Payload Line Block Supports
US8026443B1 (en) 2008-08-27 2011-09-27 Reliance Controls Corporation Plastic electrical box having a flush mountable knockout plug
US8049107B2 (en) * 2008-08-28 2011-11-01 Thomas & Betts International, Inc. Wall plate bracket
US8158884B2 (en) * 2008-11-17 2012-04-17 Thomas & Betts International, Inc. Angled slots for installation of outdoor metallic boxes
US8714506B2 (en) * 2009-09-01 2014-05-06 Hubbell Incorporated Mounting assembly for electrical fixture
FR2957721B1 (en) * 2010-03-18 2014-09-12 Airbus Operations Sas COVER FOR AN AIRCRAFT POWER BARRIER HAVING AT LEAST ONE TERMINAL
US20110266277A1 (en) * 2010-04-29 2011-11-03 Garvin Barton L Dual-access electrical box
US8497424B2 (en) 2010-05-25 2013-07-30 Leviton Manufacturing Co., Inc. Universal box system
CA2752301C (en) 2010-09-14 2019-09-03 Southwire Company Folded electrical junction boxes and associated methods of use and manufacture
CA2752303C (en) 2010-09-14 2019-09-03 Southwire Company Electrical accessories and associated methods of use and manufacture
US10833496B2 (en) 2011-03-29 2020-11-10 Ppc Broadband, Inc. Configurable enclosure
US8944267B2 (en) 2011-03-29 2015-02-03 Ppc Broadband, Inc. Configurable enclosure
US9029716B2 (en) 2012-01-09 2015-05-12 Thomas & Betts International, Inc. Knockout for electrical box
US9673596B2 (en) * 2014-06-30 2017-06-06 Tyco Fire & Security Gmbh Back box with mounting posts projecting from recessed portions in sidewalls
CN109565008B (en) * 2016-07-28 2021-06-22 三洋电机株式会社 Vehicle power supply device with protective cover for maintaining plug connector
US10641754B2 (en) 2017-02-23 2020-05-05 Walmart Apollo, Llc System and method for determination of unusable products
US10230227B1 (en) * 2018-04-26 2019-03-12 Sasquatch Solar, LLC Outdoor junction box
US11515693B2 (en) * 2018-04-26 2022-11-29 Easy Solar Products, Llc Groove indicated junction box
US10505354B2 (en) 2018-04-26 2019-12-10 Sasquatch Solar, LLC Junction box
US10411448B1 (en) 2018-08-20 2019-09-10 Siemens Industry, Inc. Ring assembly of radially-concentric rings with quick fastening mechanism to detachably connect such rings to one another
USD917400S1 (en) 2019-01-28 2021-04-27 Sasquatch Solar, LLC Junction box
US11183825B2 (en) 2019-04-15 2021-11-23 Marty Guthmiller Systems and methods for installing flush mounted electrical devices
USD933020S1 (en) 2019-04-15 2021-10-12 Marty Guthmiller Flush mount electrical box assembly
WO2021022230A1 (en) * 2019-07-31 2021-02-04 Hubbell Incorporated Wire support bracket
US11848549B2 (en) 2020-09-15 2023-12-19 Easy Solar Products, Inc. Junction box with flashing for a tile surface
EP4244544A1 (en) * 2020-11-10 2023-09-20 Valsir S.p.A. A Socio Unico Fastening unit for pipe joints

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US66581A (en) * 1867-07-09 Franklin b
US60891A (en) * 1867-01-01 Henry hise
US2154310A (en) * 1936-01-17 1939-04-11 Gen Electric Meter connection box
US2240187A (en) * 1939-11-24 1941-04-29 Square D Co Enclosure for electric devices
US4189964A (en) * 1978-06-16 1980-02-26 Thomas J. Eaton, Jr. Device to remove concentric knockouts in electrical apparatus
US4320850A (en) * 1980-10-24 1982-03-23 The Continental Group, Inc. Easy opening end unit with tapered score
US4750411A (en) * 1985-03-12 1988-06-14 Eversole Larry R Register box and wye
US4640433A (en) * 1985-11-21 1987-02-03 Harvey Hubbell Incorporated Eccentric knockouts for metal boxes
US4675782A (en) * 1985-12-20 1987-06-23 General Electric Company Molded plastic enclosure for disconnect switches
US4805920A (en) * 1986-05-01 1989-02-21 Norman Gavin Pipe seal and closure member
US4716496A (en) * 1986-05-09 1987-12-29 Eaton Corporation Panel-mounted control station housing
US4688146A (en) * 1986-06-16 1987-08-18 General Electric Company Molded plastic enclosure for electric service apparatus
US5043536A (en) * 1990-04-06 1991-08-27 Hubbell Incorporated Rotation-limiting knockout configuration
US5191171A (en) * 1991-01-23 1993-03-02 Thomas & Betts Corporation Eccentric knockouts
US5148348A (en) * 1991-06-17 1992-09-15 Westinghouse Electric Corp. Polymeric enclosure for electrical apparatus
US5286040A (en) * 1991-12-19 1994-02-15 Gavin Norman W Asymmetrical pipe seal and closure member
US5444183A (en) * 1993-11-29 1995-08-22 Eaton Corporation Polymeric electrical enclosure with improved knockout
US5804764A (en) * 1995-03-24 1998-09-08 Arlington Industries, Inc. Two-piece siding box
US5704578A (en) * 1995-11-03 1998-01-06 Jbl Incorporated Front-locking swivel ball loudspeaker mount
US5769659A (en) * 1995-12-13 1998-06-23 Copeland Corporation Plastic terminal box
US5728973A (en) * 1996-08-22 1998-03-17 Hubbell Incorporated Knockout arrangement providing connection pattern choice on electrical junction box and cover plate arrangement for mounting dynamic loads
US5906508A (en) * 1996-12-18 1999-05-25 Thomas & Betts Corporation Electrical disconnect for use with an appliance
US6239368B1 (en) * 1998-01-03 2001-05-29 Arlington Industries, Inc. Siding box
US5950277A (en) * 1998-02-13 1999-09-14 Lear Corporation Load bearing grommet assembly
US6031182A (en) * 1998-03-16 2000-02-29 Lucent Technologies Inc. Concentric strain relief mechanism for variable diameter cables
US5959250A (en) * 1998-06-25 1999-09-28 Lucent Technologies Inc. Sealing device for telecommunications equipment enclosures
US6103973A (en) * 1998-12-22 2000-08-15 Square D Company Knockout pattern for bundled wire and conduit fittings
US6125881A (en) * 1999-04-12 2000-10-03 Lsp Products Group, Inc. Dual drain outlet box
US6242697B1 (en) * 1999-05-28 2001-06-05 General Electric Company Molded plastic enclosure
US6264056B1 (en) * 1999-06-29 2001-07-24 Oatey Co. Tub box
US6586679B2 (en) 1999-10-12 2003-07-01 Howard H. Bashford Electrical junction box for construction panels
US6441307B1 (en) * 2000-09-07 2002-08-27 Taymac Corporation Universal cover plate
US6804093B2 (en) 2000-01-27 2004-10-12 Lonnie L. Buie, Jr. Apparatus and method for protecting grounding electrode conductors from overcurrents
US6672389B1 (en) * 2002-07-31 2004-01-06 Fike Corporation Bulged single-hinged scored rupture having a non-circular varying depth score line
US6765147B1 (en) * 2003-08-26 2004-07-20 Rockwell Automation Technologies, Inc. Twist out sealed conduit knockout
US6812405B1 (en) * 2003-09-15 2004-11-02 The Lamson & Sessions Co. Electrical bracket
US6914187B2 (en) * 2003-10-07 2005-07-05 The Lamson & Sessions Co. Electrical outlet box with alternative mounting flanges
US7109415B2 (en) * 2004-08-27 2006-09-19 Rain Bird Corporation Enclosure with improved knockouts

Also Published As

Publication number Publication date
US7353961B2 (en) 2008-04-08
US20050072778A1 (en) 2005-04-07
CA2471293C (en) 2009-03-17

Similar Documents

Publication Publication Date Title
CA2471293A1 (en) Outlet box knockout
CA2656351C (en) Elastomeric portable electrical outlet box
USD641711S1 (en) Electrical circuit breaker
USD547729S1 (en) Electrical circuit breaker
AU2003271184A1 (en) Variable inner volume ratio-type inverter screw compressor
AU2002343643A1 (en) Variable power divider
GB2420916B (en) Trunking sections and coupling therefor
WO2007123823A3 (en) Textured, ready-to-paint covers for outlets
USD507539S1 (en) Electrical mud box
CA2524416A1 (en) Outlet box knockout
AU2003255445A1 (en) Variable diffuser with movable wall
CA2487507A1 (en) Drop generator
USD1022921S1 (en) Adapter for an electrical box
AU2002211833A1 (en) Thin wall injection molding
AU2001279694A1 (en) Moulding polyolefins
FR2836455B1 (en) STACKABLE HOUSING, MACHINE FOR PACKAGING SUCH HOUSING AND CONTAINER PROCESSED BY SUCH A MACHINE
WO2008022100A3 (en) Low profile electrical box
EP1644001A4 (en) Pancratistatin cyclic phosphate prodrugs an phenpanstatin cyclic phosphate prodrugs
PL1511143T3 (en) Flush mounted electrical box
CA98808S (en) Mold
USD568825S1 (en) Semiconductor-based start-up arrangement for electrical equipment
AU146604S (en) A box
PL1659907T3 (en) Boxes for keys
DE602004012963D1 (en)
GR20020100314A (en) Waterproof external connection boxes

Legal Events

Date Code Title Description
EEER Examination request