Terminal Blocks & Connectors
Terminal blocks and connector strips provide safe, secure terminations for electrical wiring. Ideal for board builds, rewires, and upgrades, all supplied from UK stock with next-day delivery available.
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Our range covers everything from single-way screw terminals to DIN-rail and modular blocks, with colour-coded options and high-current ratings. Choose from compact connectors for residential installs to three-phase and 100A+ terminal blocks for commercial boards. Every product is BS EN compliant and ready to install.
- Standard screw terminal blocks – reliable connections for general wiring
- DIN-rail modular blocks – ideal for consumer units and distribution boards
- Three-phase blocks – balanced connections for multi-phase supplies
- High-current terminal blocks – rated up to 100A+
All blocks are tested to UK standards and shipped direct from our warehouse – no dropship delays.
WTB5 5 way 100A Terminal Block - 5 colours
£4.49
The WTB5 terminal block is a robust 100A connector designed for safe, neat, and secure electrical terminations. With a 5-way layout and capacity for 2.5 mm² to 35 mm² cables, it is ideal for splitting meter tails, connecting distribution boards, or managing multiple circuits in...
What Are Terminal Blocks?
Terminal blocks (sometimes called connector blocks or terminal boards) provide a safe way to join multiple wires while keeping circuits organised and compliant. They are widely used in consumer units, distribution boards, and control panels.
Types of Terminal Blocks
- Screw terminal blocks – simple, secure terminations for residential installs
- DIN rail terminal blocks – clip directly into consumer units and panels
- Three-phase terminal blocks – distribute balanced loads across phases
- High-current & 100A blocks – built for mains or sub-distribution
- Modular & pluggable blocks – allow fast installation and easy expansion
Applications
- Board builds & rewires – organise circuits neatly and safely
- Commercial distribution – higher current and three-phase terminations
- Control panels – modular connectors for industrial applications
- Maintenance – quick replacements or upgrades during site callouts
FAQs on Terminal Blocks
Are terminal blocks safe for mains wiring?
Yes – provided they are rated correctly. Many blocks are designed for 100A+ and are fully BS EN compliant.
What’s the difference between a terminal block and a connector strip?
They perform the same function. Connector strips are usually simple screw-down types, while terminal blocks also include DIN-rail and modular designs.
Can I use plastic terminal blocks in a metal enclosure?
Yes – both metal and plastic blocks are compliant. Just ensure correct cable sizing and secure fixing.
Why Buy From Power & Data UK?
We stock UK-tested, BS EN certified terminal blocks with fast next-day delivery and a 2-year warranty. All products are clearly labelled and ready for professional installation.