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Terminal Blocks & Strips

Terminal blocks are an essential part in a home wiring or electronics system. They're used to terminate wires and connecting them to a ground. They come in various sizes and shapes, designed for certain applications. Select from Ideal, NTE and Velleman.

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

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

$73.85

$73.85

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

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

$75.99

$75.99

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

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

$63.99

$63.99

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

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

$79.99

$79.99

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

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

$136.40

$136.40

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

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

$45.99

$45.99

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

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

$74.90

$74.90

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

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

$85.99

$85.99

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

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

$71.25

$71.25

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

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

$60.99

$60.99

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

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

$111.80

$111.80

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

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

$159.20

$159.20

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

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

$12.99

$12.99

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

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

$147.90

$147.90

NSI ITB50-12 Insulated Terminal Block 50 Amp 12 Circuit
Nsi

NSI ITB50-12 Insulated Terminal Block 50 Amp 12 Circuit

$19.99

$19.99

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

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

$327.30

$327.30

NSI ITB35-12 Insulated Terminal Block 35 Amp 12 Circuit
Nsi

NSI ITB35-12 Insulated Terminal Block 35 Amp 12 Circuit

$10.99

$10.99

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

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

$280.10

$280.10

NSI ITB30-12 Insulated Terminal Block 30 Amp 12 Circuit
Nsi

NSI ITB30-12 Insulated Terminal Block 30 Amp 12 Circuit

$10.99

$10.99

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

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

$45.99

$45.99

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

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

$136.50

$136.50

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

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

$28.99

$28.99

Polaris FS350 Flexible Sleeve .798 Id
Polaris

Polaris FS350 Flexible Sleeve .798 Id

$10.99

$10.99

NSI ITB20-12 Insulated Terminal Block 20 Amp 12 Circuit
Nsi

NSI ITB20-12 Insulated Terminal Block 20 Amp 12 Circuit

$10.99

$10.99

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

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

$90.50

$90.50

Polaris FS040 Flexible Sleeve .738 Id 12 Per Pack
Polaris

Polaris FS040 Flexible Sleeve .738 Id 12 Per Pack

$10.99

$10.99

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

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

$10.99

$10.99

Polaris FS020 Flexible Sleeve .579 Id 25 Per Pack
Polaris

Polaris FS020 Flexible Sleeve .579 Id 25 Per Pack

$10.99

$10.99

Polaris FS010 Flexible Sleeve .500 Id 25 Per Pack
Polaris

Polaris FS010 Flexible Sleeve .500 Id 25 Per Pack

$10.99

$10.99

Polaris FS008 Flexible Sleeve .180 Id 100 Per Pack
Polaris

Polaris FS008 Flexible Sleeve .180 Id 100 Per Pack

$28.99

$28.99

Polaris FS006 Flexible Sleeve .236 Id 100 Per Pack
Polaris

Polaris FS006 Flexible Sleeve .236 Id 100 Per Pack

$28.99

$28.99

Polaris FS004 Flexible Sleeve .291″ ID
Polaris

Polaris FS004 Flexible Sleeve .291″ ID

$25.99

$25.99

Polaris FS002 Flexible Sleeve .336 Id 50 Per Pack
Polaris

Polaris FS002 Flexible Sleeve .336 Id 50 Per Pack

$28.99

$28.99

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

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

$25.99

$25.99

Polaris SP750 Replacement Set Screw Plug for Connector, 750 MCM
Polaris

Polaris SP750 Replacement Set Screw Plug for Connector, 750 MCM

$10.99

$10.99

Polaris SP600 Replacement Set Screw Plug for Connector, 600 MCM
Polaris

Polaris SP600 Replacement Set Screw Plug for Connector, 600 MCM

$10.99

$10.99

Polaris SP500 Replacement Set Screw Plug for Connector, 500 MCM
Polaris

Polaris SP500 Replacement Set Screw Plug for Connector, 500 MCM

$10.99

$10.99

Polaris SP4 Replacement Set Screw Plug for Connector, 4 AWG
Polaris

Polaris SP4 Replacement Set Screw Plug for Connector, 4 AWG

$10.99

$10.99

Polaris SP350 Replacement Set Screw Plug for Connector, 350 MCM
Polaris

Polaris SP350 Replacement Set Screw Plug for Connector, 350 MCM

$10.99

$10.99

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

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

$10.99

$10.99

Polaris SP250 Replacement Set Screw Plug for Connector, 250 MCM
Polaris

Polaris SP250 Replacement Set Screw Plug for Connector, 250 MCM

$10.99

$10.99

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

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

$10.99

$10.99

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

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

$10.99

$10.99

Polaris CP750 Replacement Cable Entry Plug for Connector, 750 MCM
Polaris

Polaris CP750 Replacement Cable Entry Plug for Connector, 750 MCM

$10.99

$10.99

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

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

$10.99

$10.99

Polaris CP600 Replacement Cable Entry Plug for Connector, 600 MCM
Polaris

Polaris CP600 Replacement Cable Entry Plug for Connector, 600 MCM

$10.99

$10.99

Polaris CP500 Replacement Cable Entry Plug for Connector, 500 MCM
Polaris

Polaris CP500 Replacement Cable Entry Plug for Connector, 500 MCM

$10.99

$10.99

Polaris CP350 Replacement Cable Entry Plug for Connector, 350 MCM
Polaris

Polaris CP350 Replacement Cable Entry Plug for Connector, 350 MCM

$10.99

$10.99

Polaris CP3/0 Replacement Cable Entry Plug for Connector, 3/0 AWG
Polaris

Polaris CP3/0 Replacement Cable Entry Plug for Connector, 3/0 AWG

$10.99

$10.99

Polaris CP250 Replacement Cable Entry Plug for Connector, 250 MCM
Polaris

Polaris CP250 Replacement Cable Entry Plug for Connector, 250 MCM

$10.99

$10.99

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