6． Lightning protection

7． Grounding , earthing

8． Room , Substation

9． Equipments of electric repair

10． Material

6． Lightning protection

Lightning protector

Lightning rod

Strap type lightning protector

Network of lightning protector

Lightning rod support

Tip of lightning rod

Brace for lightning rod

Lightning arrester , surge discharger

Spherical arrester

Tubular arrester

Auto-valve arrester

Low voltage arrester

Horn arrester

Multigap arrester

Aluminum cell arrester

Oxide film arrester

Puncture lightning arrester

Lightning stroke

Direct lightning stroke

Induction lightning stroke

Thunderbolt days

Lightning and thunder probability

Electric shock

Electrostatic induction

7． Grounding , earthing

Ground protection , earth protection

Grounding for lightning

Protective earthing

Artificial grounding

Working grounding , working earthing

Multiple earthing

Screen earthing , shielding ground

Neutral point grounded

Grounding system , earthing system

Ground fault , earth fault

Single phase earthing

Bus ground

Grounding device , earthing device

Down-lead , down conductor

Clamping plate of support for fixing

Down lead

Support for fixing down lead

Ground connector

Ground(ing) main , (bus)

Grounding network , earthing network

Earth electrode (pole)

Earth resistance

Earth (ground) circuit

Connecting strip

Connecting clamp

8． Room , Substation

Storage

Compartment

Battery room

Control room

Distribution room

Repair room

Substation

H.V. distribution room

Rest room

9． Equipments of electric repair

Emery wheel grinder

Bench drilling machine

A.C. welding machine

Portable air compressor

Electric hand drill

Single speed hand winding machine

Wire jointing press-clamp

Hydraulic jack

Electric dust cleaner

Store chest

H.V. testing transformer

Leakage testing set

Strong current generator

Oil-immersed self-cooled induction voltage regulator

Multi-range current transformer for measurement

Instrumental voltage transformer

Single-phase auto-transformer

3-phase auto-transformer

Silicon rectifier

Testing stand for instrument

Relay and contactor testing stand

Slow scanning oscillograph

A.C. electronic voltage stabilizer

Portable A.C. electric bridge

Earthing resistance tester

Cable fault detector

D.C. single-arm electric bridge , Wheatstone bridge

10． Material

Insulating tape

Filler , packing

Insulating compound

Cable compound

Anti-corrosive oil

Bituminous varnish

Insulating varnish

Enamel varnish

Non-ferrous metal

ferrous metal

White metal

Mica

Epoxy resin

Polyvinyl chloride , PVC

Wax

Talc powder

Bakelite

Polyacrylic cover

Oil-proof rubber tubes

Grounding copper wire

Pad

Plastics insulated wire

Rubber sheathed cable

Splice

Filling agent

Insulated wire

Movable flexible cable

Extension wire

Bushing

Busway

Cable suspension

Trolley conductor

Galvanized gas pipe

Galvanized steel angle

Galvanized steel strap

Steel wire rope

Siren

Electromagnetic valve

Connecting link

Transfering link

Terminal board

Semiconductor diode

Opening meter

Logical element

Junction box

Instrument trunking

Cable hanger

Outgoing line sleeve