Control boxes
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Control boxes for lightning protection systems
This category contains plastic control boxes and an equipotential busbar for lightning protection installations. The boxes give access to inspection joints and down conductors for testing, on walls or in the ground. The range is aimed at installers and contractors who need enclosures and bonding points compliant with PN-EN 62305.
What you will find in this category
- Wall-mounted control boxes in grey plastic: 150×150×100 mm (000-173) and 150×150×55 mm (000-176) for surface mounting.
- Ground control box in plastic, 200×200×165 mm (000-175), for control joints below ground level.
- Equipotential busbar (000-178): 10 terminals for 4–35 mm² and one 30x4 mm flat bar terminal, with galvanised steel and brass terminals.
How to choose
- Installation point: choose a wall-mounted box for joints on the building façade, or the ground box for joints beneath the ground surface.
- Size: the wall boxes are 150×150×100 mm and 150×150×55 mm. The shallower one has external dimensions of 168×145×55 mm. The ground box is 200×200×165 mm.
- Routing: for installations routed beneath external cladding, the 55 mm deep wall box is described for this use.
- Standards and load class: all items are listed as compliant with PN-EN 62305. The ground box is also listed to PN-EN 124 A15.
- Bonding connections: for the busbar, check the number of conductors (up to 10), their cross-sections (4–35 mm²) and whether you need the 30x4 mm flat bar connection.
Typical applications
Wall-mounted boxes conceal inspection joints and down conductors routed beneath the façade. They keep connections protected from the weather and accessible for inspections and measurements. The ground box does the same for joints hidden in the ground, and its cover markings help identify the inspection point. The busbar brings main bonding connections together at a single point.
Frequently asked questions
What is the difference between the wall-mounted and ground boxes?
Wall-mounted boxes are surface-mounted on building walls and conceal joints and down conductors on the façade. The ground box, 200×200×165 mm, is for control joints in the ground.
Which box suits conductors routed beneath external cladding?
The wall-mounted box 150×150×55 mm is described for lightning protection installations routed beneath external cladding. Its external dimensions are 168×145×55 mm.
How many conductors can the equipotential busbar take?
It takes up to 10 conductors with cross-sections of 4–35 mm², plus one 30x4 mm flat bar connection.
Not sure which box or busbar fits your installation? Contact our technical support for help with selection.