Free standard shipping on all orders to the contiguous 48 states

Currency

Your cart

Your cart is empty

Connectors

Discover premium electrical connectors engineered for dependable performance. Our extensive selection includes everything from audio-video connectors to heavy-duty terminal blocks, ensuring secure connections for every application. Find industry-trusted brands with fast shipping and expert support.

1112 Results

1112 Results

$
to
$

The highest price is $2,593.77

Polaris IPLDS500-10 10-Port Black Stacked Pre-Insulated Connector, 500 MCM – 4 AWG

$327.30

Unit price
per

NSI AL-V1-K6 Power Distribution 1000-250 Line 6×2/0-14 Load

$85.99

Unit price
per

NSI AL-R2-M4 Power Distribution Block 2×500-6 Line 4×4/0-6 Load

$80.99

Unit price
per

NSI AL-R2-K6 Power Distribution Block with 2) 500-4 Line and 6)2/0-14 Load

$80.24

Unit price
per

NSI AL-R2-H12 Power Distribution Block 2×500-6 Line 12×4-14 Load

$82.99

Unit price
per

NSI AL-R1-M4 Power Distribution Block 1×500-4 Line 4×4/0-6 Load

$73.85

Unit price
per

NSI AL-R1-K6 Power Distribution Block 1×500-4 Line 6×2/0-14 Load

$75.99

Unit price
per

NSI AL-P2-P2 Power Distribution Block 2×350-6 Line 2×350-6 Load

$63.99

Unit price
per

Polaris ISR-600CB 2-Port Clear In-Line Pre-Insulated Connector, 600 MCM-6 AWG, Bag

$79.99

Unit price
per

Polaris ISR-600C 2-Port Clear Multi-Tap Pre-Insulated Connector, 600 MCM – 6 AWG

$136.40

Unit price
per

Polaris ISR-350CB 2-Port Clear In-Line Pre-Insulated Connector, 350 MCM-10 AWG, Bag

$45.99

Unit price
per

Polaris ISR-350C 2-Port Clear In-Line Pre-Insulated Connector, 350 MCM-10 AWG

$74.90

Unit price
per

NSI AL-P2-K6 Power Distribution Block 2×350-6 Line 6×2/0-14 Load

$85.99

Unit price
per

NSI AL-P2-H12 Power Distribution Block 2×350-6 Line 12×4-14 Load

$71.25

Unit price
per

Polaris ISR-500CB 2-Port Clear In-Line Pre-Insulated Connector, 500 MCM-4 AWG, Bag

$60.99

Unit price
per

Polaris ISR-500C 2-Port Clear In-Line Pre-Insulated Connector, 500 MCM-4 AWG

$111.80

Unit price
per

Polaris IPLDS350-6 6-Port Black Stacked Pre-Insulated Connector, 350 MCM – 10 AWG

$159.20

Unit price
per

NSI J-30 30 Amp Jumper For Terminal Blocks 10 Per Pack

$12.99

Unit price
per

Polaris IPLDS350-4 4-Port Black Stacked Pre-Insulated Connector, 350 MCM – 10 AWG

$147.90

Unit price
per

NSI ITB50-12 Insulated Terminal Block 50 Amp 12 Circuit

$19.99

Unit price
per

Polaris IPLDS350-12 12-Port Black Stacked Pre-Insulated Connector, 350 MCM – 10 AWG

$327.30

Unit price
per

NSI ITB35-12 Insulated Terminal Block 35 Amp 12 Circuit

$10.99

Unit price
per

Polaris IPLDS350-10 10-Port Black Stacked Pre-Insulated Connector, 350 MCM – 6 AWG

$280.10

Unit price
per

NSI ITB30-12 Insulated Terminal Block 30 Amp 12 Circuit

$10.99

Unit price
per

Polaris ISR-250CB 2-Port Clear In-Line Pre-Insulated Connector, 250 MCM-6 AWG, Bag

$45.99

Unit price
per

Polaris ISR-250C 2-Port Clear In-Line Pre-Insulated Connector, 250 MCM-6 AWG

$136.50

Unit price
per

Polaris ISR-1/0CB 2-Port Clear In-Line Pre-Insulated Connector, 1/0 – 14 AWG, Bag

$28.99

Unit price
per

Polaris  FS350 Flexible Sleeve .798 Id
Polaris

Polaris FS350 Flexible Sleeve .798 Id

$10.99

Unit price
per

$10.99

Unit price
per

NSI ITB20-12 Insulated Terminal Block 20 Amp 12 Circuit

$10.99

Unit price
per

Polaris ISR-1/0C 2-Port Clear Multi-Tap Pre-Insulated Connector, 1/0 – 14 AWG

$90.50

Unit price
per

Polaris FS040 Flexible Sleeve .738 Id 12 Per Pack
Polaris

Polaris FS040 Flexible Sleeve .738 Id 12 Per Pack

$10.99

Unit price
per

$10.99

Unit price
per

Polaris  FS030 Flexible Sleeve .657 I.D. 12 Per Pack
Polaris

Polaris FS030 Flexible Sleeve .657 I.D. 12 Per Pack

$10.99

Unit price
per

$10.99

Unit price
per

Polaris  FS020 Flexible Sleeve .579 Id 25 Per Pack
Polaris

Polaris FS020 Flexible Sleeve .579 Id 25 Per Pack

$10.99

Unit price
per

$10.99

Unit price
per

Polaris FS010 Flexible Sleeve .500 Id 25 Per Pack
Polaris

Polaris FS010 Flexible Sleeve .500 Id 25 Per Pack

$10.99

Unit price
per

$10.99

Unit price
per

Polaris FS008 Flexible Sleeve .180 Id 100 Per Pack
Polaris

Polaris FS008 Flexible Sleeve .180 Id 100 Per Pack

$28.99

Unit price
per

$28.99

Unit price
per

Polaris  FS006 Flexible Sleeve .236 Id 100 Per Pack
Polaris

Polaris FS006 Flexible Sleeve .236 Id 100 Per Pack

$28.99

Unit price
per

$28.99

Unit price
per

Polaris FS004 Flexible Sleeve .291″ ID
Polaris

Polaris FS004 Flexible Sleeve .291″ ID

$25.99

Unit price
per

$25.99

Unit price
per

Polaris FS002 Flexible Sleeve .336 Id 50 Per Pack
Polaris

Polaris FS002 Flexible Sleeve .336 Id 50 Per Pack

$28.99

Unit price
per

$28.99

Unit price
per

Polaris FS001 Tin-plated Copper Flexible Sleeve .415″ ID

$25.99

Unit price
per

Polaris  SP750 Replacement Set Screw Plug for Connector, 750 MCM

$10.99

Unit price
per

Polaris SP600 Replacement Set Screw Plug for Connector, 600 MCM

$10.99

Unit price
per

Polaris SP500 Replacement Set Screw Plug for Connector, 500 MCM

$10.99

Unit price
per

Polaris SP4 Replacement Set Screw Plug for Connector, 4 AWG

$10.99

Unit price
per

Polaris SP350 Replacement Set Screw Plug for Connector, 350 MCM

$10.99

Unit price
per

Polaris SP3/0 Replacement Set Screw Plug for Connector, 3/0 AWG

$10.99

Unit price
per

Polaris  SP250 Replacement Set Screw Plug for Connector, 250 MCM

$10.99

Unit price
per

Polaris SP2/0S Replacement Set Screw Plug, Polaris Edge Connectors, 2/0 – 14 AWG

$10.99

Unit price
per

Polaris SP1/0 Replacement Set Screw Plug for Connector, 1/0 AWG

$10.99

Unit price
per

Polaris CP750 Replacement Cable Entry Plug for Connector, 750 MCM

$10.99

Unit price
per

NSI FQC-90 Quick Disconnect - 90 Degree (10 pk)

$10.99

Unit price
per