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