Conduit/Connectors/Couplings

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SWCOMP 648S

Part #SWCOMP 648S 3IN STEEL SET SCREW EMT/RIGID COUPLING Southwire - Topaz Conduit Coupling, Concrete Tight, 3 in, For Use With: EMT/Rigid Conduit, Steel, Zinc Plated, 3.19 in OD x 4.5 in L

MFG #648S

435 in Stock. More available 01/07/2026

VIEW BRANCH INVENTORY

$10.85 per EA (1) / EA

Regular Price: $17.00 per EA (1), you save $6.15 (36%)

QTY

U/M

EA BX /12

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SWCOMP 668S

Part #SWCOMP 668S 3IN STEEL COMPRESSION EMT/RIGID COUPLING Southwire - Topaz Conduit Coupling, Concrete Tight, 3 in, For Use With: EMT Conduit, Steel, Zinc Plated, 4.313 in OD x 5.25 in L

MFG #668S

190 in Stock. More available 01/07/2026

VIEW BRANCH INVENTORY

$20.55 per EA (1) / EA

Regular Price: $37.68 per EA (1), you save $17.13 (45%)

QTY

U/M

EA BX /6

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SWCOMP 658S

Part #SWCOMP 658S 3IN COMPRESSION EMT/RIGID CONNECTOR Southwire - Topaz Conduit Connector, Concrete Tight, 3 in, 4.313 in Dia, For Use With: EMT Conduit, Steel, Zinc Plated, 4-3/8 in L

MFG #658S

71 in Stock. More available 01/07/2026

VIEW BRANCH INVENTORY

$19.14 per EA (1) / EA

Regular Price: $31.15 per EA (1), you save $12.01 (39%)

QTY

U/M

EA BX /12

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SWCOMP 738

Part #SWCOMP 738 3" ALUMINUM CLAMP ON TYPE SERVICE ENTRANCE CAP Southwire - Topaz Service Entrance Cap, Clamp-On, 3 in Size, 7 Holes, 1 in, 7/8 in, 1-5/16 in Hole, For Use With: EMT/IMC/Rigid Conduit, Aluminum, 11-1/2 in L x 8 in W x 9 in H Dimensions

MFG #738

12 in Stock. More available 01/07/2026

VIEW BRANCH INVENTORY

$101.75 per EA (1) / EA

Regular Price: $140.66 per EA (1), you save $38.91 (28%)

QTY

ADD TO CARTADD TO LIST

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SWCOMP 638S

Part #SWCOMP 638S 3IN STEEL SET SCREW EMT/RIGID CONNECTOR Southwire - Topaz Conduit Connector, Concrete Tight, 3 in, 4.188 in Dia, For Use With: EMT/Rigid Conduit, Steel, Zinc Plated, 3.813 in L

MFG #638S

85 in Stock. More available 01/07/2026

VIEW BRANCH INVENTORY

$16.93 per EA (1) / EA

Regular Price: $20.41 per EA (1), you save $3.47 (17%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

SWCOMP 648S

Part #SWCOMP 648S 3IN STEEL SET SCREW EMT/RIGID COUPLING Southwire - Topaz Conduit Coupling, Concrete Tight, 3 in, For Use With: EMT/Rigid Conduit, Steel, Zinc Plated, 3.19 in OD x 4.5 in L

MFG #648S

435 in Stock. More available 01/07/2026

VIEW BRANCH INVENTORY

$10.85 per EA (1) / EA

Regular Price: $17.00 per EA (1), you save $6.15 (36%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

SWCOMP 668S

Part #SWCOMP 668S 3IN STEEL COMPRESSION EMT/RIGID COUPLING Southwire - Topaz Conduit Coupling, Concrete Tight, 3 in, For Use With: EMT Conduit, Steel, Zinc Plated, 4.313 in OD x 5.25 in L

MFG #668S

190 in Stock. More available 01/07/2026

VIEW BRANCH INVENTORY

$20.55 per EA (1) / EA

Regular Price: $37.68 per EA (1), you save $17.13 (45%)

QTY

U/M

EA BX /6

ADD TO CARTADD TO LIST

Compare

SWCOMP 658S

Part #SWCOMP 658S 3IN COMPRESSION EMT/RIGID CONNECTOR Southwire - Topaz Conduit Connector, Concrete Tight, 3 in, 4.313 in Dia, For Use With: EMT Conduit, Steel, Zinc Plated, 4-3/8 in L

MFG #658S

71 in Stock. More available 01/07/2026

VIEW BRANCH INVENTORY

$19.14 per EA (1) / EA

Regular Price: $31.15 per EA (1), you save $12.01 (39%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Compare

SWCOMP 738

Part #SWCOMP 738 3" ALUMINUM CLAMP ON TYPE SERVICE ENTRANCE CAP Southwire - Topaz Service Entrance Cap, Clamp-On, 3 in Size, 7 Holes, 1 in, 7/8 in, 1-5/16 in Hole, For Use With: EMT/IMC/Rigid Conduit, Aluminum, 11-1/2 in L x 8 in W x 9 in H Dimensions

MFG #738

12 in Stock. More available 01/07/2026

VIEW BRANCH INVENTORY

$101.75 per EA (1) / EA

Regular Price: $140.66 per EA (1), you save $38.91 (28%)

QTY

ADD TO CARTADD TO LIST

Compare

SWCOMP 638S

Part #SWCOMP 638S 3IN STEEL SET SCREW EMT/RIGID CONNECTOR Southwire - Topaz Conduit Connector, Concrete Tight, 3 in, 4.188 in Dia, For Use With: EMT/Rigid Conduit, Steel, Zinc Plated, 3.813 in L

MFG #638S

85 in Stock. More available 01/07/2026

VIEW BRANCH INVENTORY

$16.93 per EA (1) / EA

Regular Price: $20.41 per EA (1), you save $3.47 (17%)

QTY

U/M

EA BX /12

ADD TO CARTADD TO LIST

Results Per Page

12243648