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; electric measuring
apparatus for testing the condition of surge arresters
37
Installation, construction, maintenance, servicing and
repair of surge arresters, lightning protection and earthing
installations; repair and maintenance of electrotechnical
installations in the field of lightning and surge
protection
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