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Electrical Junction Boxes
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4-11/16" Extension Rings
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1-1/2" & 2-1/8" Deep with Conduit Knockouts
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1-1/2" & 2-1/8" Deep with Conduit Knockouts
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Application:
These extension rings with conduit knockouts
are added to junction boxes to increase wiring capacity and
provide access for additional conduit runs.
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Advantages::
Garvin Industries’ extension rings prevent
having to remove the old conduit boxes and wiring when additional
wiring is needed. Their mounting slots allow a quick
installation in existing boxes.
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Field Names::
Extension rings, extension boxes, box collars,
box extenders, box extension, 11B extension rings, plenum
extension rings, plenum extension boxes, 5S extension
rings, 5S box extenders, 2100 extension ring, 11B extension
rings, 11B plenum extension rings, 11B sandwich plate, 11B
plenum sandwich plate.
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Click on links below to view more details about the products.
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7 Styles Available Below
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Item #:
73151-S
1-1/2" Deep, 4-11/16" Extension Ring with (6) 1/2” and (6) 1/2”-3/4” Knockouts
1-1/2" deep, 4-11/16" extension rings with (6) 1/2” and (6) 1/2”-3/4” knockouts are added to junction boxes to increase wiring capacity and provide ac
(more....)
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Item #:
73171-1/2
2-1/8" Deep, 4-11/16" Extension Ring with (12) 1/2" Knockouts
2-1/8" deep, 4-11/16" extension rings with (12) 1/2" knockouts are added to junction boxes to increase wiring capacity and provide access for additio
(more....)
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Item #:
73171-3/4
2-1/8" Deep, 4-11/16" Extension Ring with (12) 3/4" Knockouts
2-1/8" deep, 4-11/16" extension rings with (12) 3/4" knockouts are added to junction boxes to increase wiring capacity and provide access for additio
(more....)
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Item #:
73171-RED
Red, 2-1/8" Deep, 4-11/16" Extension Ring with (6) 1/2" and (6) 1/2"-3/4" Knockouts
Red, 2-1/8" deep, 4-11/16" extension rings with (6) 1/2" and (6) 1/2"-3/4" knockouts are added to junction boxes to increase wiring capacity and prov
(more....)
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Item #:
73171-S
2-1/8" Deep, 4-11/16" Extension Ring with (6) 1/2" and (6) 1/2"-3/4" Knockouts
2-1/8" deep, 4-11/16" extension rings with (6) 1/2" and (6) 1/2"-3/4" knockouts are added to junction boxes to increase wiring capacity and provide a
(more....)
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Item #:
73171-SVT
Chicago Plenum, 2-1/8" Deep, 4-11/16" Extension Ring with Air Tight (8) 1/2" and (4) 3/4" Knockouts
Chicago Plenum, 2-1/8" deep, 4-11/16" extension rings with air tight (6) 1/2" and (6) 1/2"-3/4" knockouts are added to Chicago plenum junction boxes
(more....)
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Item #:
73171-1
2-1/8" Deep, 4-11/16" Extension Ring with (8) 1" Knockouts
2-1/8" deep, 4-11/16" extension rings with (8) 1" knockouts are added to junction boxes to increase wiring capacity and provide access for additional
(more....)
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1 item added to your cart
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Cart Summary
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