09
Lightning conductors, electric cables and wires for earthing
and lightning protection installations, electric switches,
electric cable connectors, foundation earthing and potential
equalisation elements, profiled earthing lightning rods,
deep-driven earthing lightning rods, earthing lightning
pipes and rods, voltage surge protectors, spark plug gap
gauges, surge counters, earthing meters and measuring sets,
safety devices for work on electrical installations, in
particular switching rods, earthing and short-circuit
equipment for indoor and outdoor installations, earthing
lightning arrester equipment for railway installations,
earthing lightning rods, earthing and short-circuit
equipment for low-voltage cables and cable junctions, and
discharge rods, voltage testers
37
Installation, construction, maintenance, servicing and
repair of lightning protection and earthing installations;
repair or maintenance of electrotechnical installations
42
Research and development for others with regard to new
products; surveying; industrial design; materials testing;
quality control; services provided by a high-voltage testing
laboratory and a test laboratory for testing lightning
protection equipment, lightning protection components and
voltage surge arresters by simulating lightning currents or
lightning impulse currents
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