Australia's largest stock trading and investment forum Australia's #1 stock forum

Couple of points, page-4

First 4 Last

Share
Profile

Follow
pintohoo

96,459 Posts.

75

15/02/24

19:04

Post #: 72430630
Share

Originally posted by Sailor FNQ ↑

It's all to do with insulation.
In the air depending on the voltage, the bare wires are strung far enough apart to prevent arcing - similar to lightning, where electricity jumps from one wire to the tower and then to earth.
In the ground bare wire must be well and truly insulated to prevent the wire earthing itself.
The higher the voltage the more insulation.
It is the cost of this insulation that costs the big bucks.

Expand

why? what kind of materials?

some kind of plastic?
? metal shielding?

last time I looked - plastic was cheap

Last edited by pintohoo: 15/02/24
1 Upvote

Reply

Top Stories

Listen: HotCopper Wire Podcast 017 – RBA holds the toppings

ILU

Rare earths stocks surge as Pentagon buys big stake in US REE miner

VMM

'Big tick': Viridis positions for global leadership with Colossus pre-feasibility study

AAU

Antilles brings Chinese ally on board to keep Neuva Sabana work chugging on

HotCopper Highlights: RIP to Botanix (for now); Droneshield new ATH; Trigg mystery halt

CWX

Carawine faces Fraser Range JV collapse as IGO moves to scrap partnership

Trump just dropped a 200% tariff bomb. Here's how to cash in

AII

Inside the depths of Panasqueira: A legacy carved in rock

LIS

'Opens doors': Li-S Energy the first Oz company to produce lithium metal foils

Week 28 Wrap: Tariff chaos back for some reason; CBA holds strong

First 4 Last

SPONSORED BY