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09 Earth rod clamps. Air rod bases
Choose the correct air rod base.
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13 Main aspects and
individual components
of external lightning
protection system.
3.
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05 Interconnection
components.
. The mesh size
is determined Lightning Protection Level LPL.
5. Earth rod clamps
Select high copper content alloy earth rod
clamp for the connection the earthing
conductor the earth rod.
—
04 Air rod bases. brick, stone, plastic and metal.
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06 Conductor
jointing clamps. Air terminals
Use air terminals the form vertical air rods
for the protection prominent roof top features
or equipment. Fixings
Select the correct system fixings for each part
of the conductor system.
2.
7. Use strike pads connect and
thus expose concealed conductors.
—
01 Conductor network. this below ground
application, the clamp must ensure good
electrical contact and resist corrosion throughout
the lifetime the installation.
9.g.
–
Down conductor network
6. All continuous metalwork should
be considered for bonding.g.
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07 Test clamps. Conductor network
The conductor network the means of
intercepting/carrying the current lightning
strike safely the earth termination network. Interconnection components
Crossover clamps have been specially designed
for use where conductors cross part a
roof network. flat tape, solid circular stranded
1.
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12 Equipotential
bonding SPDs.e.
—
10 Earth inspection pits.FURSE® EARTHING LIGHTNING PROTECTION
QUALIT SOLUTIONS FOR SAFEGUARDING PEOPLE, STRUCTURES AND SERVICES
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Introduction lightning protection
Product selection guide
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Conductors
The first choice faced the designer a
structural lightning protection system is
the type conductor system used:
• Choose the material required, i.
8. cable armouring, gas, water or
steam piping, entering the building should also
be bonded directly possible the
earth termination network.
–
Earth termination network
The means dissipating the current the
general mass earth. Earth electrodes
Choose earth electrode suit the system
design i. All metallic
services, e. Fixings are available for
a wide range modern construction materials,
e.
Jointing clamps will ensure low resistance,
corrosion resistant connection between air
termination and down conductors.
–
Air termination network
The air termination network the point of
connection for lightning strike.
–
Equipotential bonding
Bonding the most commonly employed
method avoiding the damaging effects of
side flashing. This will
ensure that the vertical air rods are both
solidly fixed the fabric the structure
and have low resistance connection the
conductor network. Type Type foundation electrode. typically
consists meshed conductor arrangement
covering the roof the structure.e. Test clamps
In order allow periodic disconnection and
testing the earth termination network,
select test clamp placed within the
run each down conductor.
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08 Earth electrodes.
Electrodes can constructed individually from
earth rods, earth plates, flat tape, stranded cable
or any combination these. High strength pits
are available plastic and concrete.
4. Conductor jointing clamps
Select component for the interconnection of
multiple conductors for changes direction.
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11 Bonds metalwork.
—
02 Fixings. copper
or aluminium
• Choose the type conductor required,
i.
Use the guidelines IEC/BS 62305-1 -3
for the correct placement conductors. Earth inspection pits
Select earth inspection pit protect the
earth electrode connections.
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03 Air terminals.e.
10
