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Wago Connectors Explained: Which One to Use Where

Lever connectors versus push-fit, when to use enclosures, and which Wago connectors are worth carrying in the van.

7 min read Guide Total Skills Training Team, City & Guilds Approved CentreLast reviewed: August 2026

Wago Connectors Explained

Lever connectors have become the standard way most electricians join conductors, largely replacing older methods such as twisting conductors together and taping the joint, or fitting old-style strip connectors. They are quick to fit, quick to check, and quick to take apart again if a fault needs tracing.

This guide covers the difference between lever and push-fit connectors, when an enclosure is needed, and which connectors are worth keeping in stock. For the wider toolkit these sit alongside, see our electrician tools guide.

Lever vs Push-Fit Connectors

Lever Connectors

Wago's lever connectors accept both solid and stranded conductors, which is what makes them so flexible on site. Opening and closing the lever by hand also means a connection can be checked, reworked or extended without cutting anything away.

Push-Fit Connectors

Push-fit connectors are simpler again: push the conductor in and it grips. They are for solid or rigid conductors only, so they suit straightforward solid-cable joints rather than flexible cable, and they cost less than the lever range.

  • Lever connectors: solid and stranded conductors, reworkable by hand
  • Push-fit connectors: solid or rigid conductors only, cheaper per unit
  • Both are faster to fit and check than twisting and taping a joint

When You Need an Enclosure

Purpose-made enclosures, boxes designed around the connector shape, are used where a connection needs to be suitable for limited access after installation. A junction hidden in a ceiling void or a boxed-in stud wall is the typical example: once the plasterboard is up, that joint is not getting checked again without disruption.

Match the enclosure to the connector

Enclosures are sized around specific connector footprints, so buy them as a matched pair rather than assuming any box will fit any connector.

On the Job: Luminaires and Van Stock

Lever connectors turn up everywhere: joining a luminaire's flex to the fixed wiring, extending a circuit at a junction, or making a temporary connection during fault-finding. Because the range is used so consistently across a career, it is one of the first things worth stocking properly in the van rather than buying piecemeal per job.

For the rest of a well-stocked van, including consumables and the racking to keep them organised, see our electrician van setup guide.

Frequently Asked Questions

Can Wago connectors be used with stranded cable?
The lever range accepts both solid and stranded conductors, which is one reason it has become so widely used. Push-fit connectors, by contrast, are intended for solid or rigid conductors only, so check which type you are reaching for before joining stranded flex.
What is the difference between Wago's lever and push-fit connectors?
Lever connectors have a small lever you open and close by hand, and they take solid and stranded conductors alike. Push-fit connectors are simpler and cheaper, but only suitable for solid or rigid conductors, so they cover a narrower range of jobs.
When do I need an enclosure for a Wago connection?
Purpose-made enclosures are used where a connection needs to be suitable for limited access after installation, a ceiling void or a boxed-in area, for example. A bare connector left loose in an inaccessible space is bad practice regardless of which connector type is used.
Are Wago connectors reliable long term?
They have become the trade standard largely because of that reliability. They also make future maintenance easier, since a connection can be opened and reworked far more quickly than a twisted and taped joint.
How many connectors should I carry in the van?
Most electricians keep an assortment box covering the common conductor combinations, plus a stock of enclosures for boxed connections. Running short mid-job is a common frustration, so it is worth over-stocking the sizes you use most.

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