General > General Technical Chat

Is this Wiring Legal? (NSW)

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GlennSprigg:
Hi Dave.  The 'AS3000' Standards apply Australia wide, not just for N.S.W.  It used to be hard to find, but there's a .PDF now...
https://www.fpvprobuilds.com/wp-content/uploads/2019/02/AS3000-2018-Clean-Purple-cover.pdf
The normal power cables in homes is 2.5-Sqmm, which can handle about 23-25 Amps, depending on the circumstances.
They SHOULD, however, have installed another breaker/feed, but tapping in to existing cables IS legal, and typical.
HOWEVER, the single-insulation wires exposed from the junction-box IS illegal.

EEVblog:

--- Quote from: Ian.M on December 04, 2020, 10:03:12 am ---So post your photos to a new topic there, and when they are horrified, find a code enforcement contact to email them to.  I suspect you are going to need to stop payment and contact your lawyer . . .

--- End quote ---

Have posted.
https://www.electriciansforums.net/threads/is-this-aircon-wiring-install-legal.191943/
Lawyer? Are you serious? Why? So I can pay them hundreds of bucks to send a nasty letter  :-DD

Someone:
What used to be waved away as inaccessible areas changed, so that visible single insulation is not kosher. The aircon needs some sort of isolation method local to the plant, supplied by a power point is ok but otherwise needs a proper lockable isolation switch.

If you paid for an install then they're on the hook to get it up to standard. Ask them nicely, then go through fair trading if that fails.

GlennSprigg:

--- Quote from: Someone on December 04, 2020, 10:57:11 am ---What used to be waved away as inaccessible areas changed, so that visible single insulation is not kosher....

--- End quote ---

You are right, but your line above reminded me of a few things!!  :)
Yea, ceilings are absolutely considered as 'accessible', for multiple trades, including the home-owners themselves.
But the laws are funny!!  I used to also be responsible for fire-systems in multi-story buildings. They (authorities here), stipulate the
'legal' height of a building as from the 'Floor-Level' of the Top-Most-Occupied-Floor, to the lowest point of egress. This means that
Plant-Rooms above, (and lift motor-rooms) did not count, because... "Anyone up there have technical knowledge regarding safety,
as well as better knowledge than the general public regarding emergency exits etc.".  Basically, it is a 'cop-out' rule for building
owners, otherwise virtually every multi-story building owner here would be in the shit!  |O

Someone:

--- Quote from: GlennSprigg on December 04, 2020, 11:26:19 am ---
--- Quote from: Someone on December 04, 2020, 10:57:11 am ---What used to be waved away as inaccessible areas changed, so that visible single insulation is not kosher....
--- End quote ---
You are right, but your line above reminded me of a few things!!  :)
Yea, ceilings are absolutely considered as 'accessible', for multiple trades, including the home-owners themselves.
--- End quote ---
I'm not convinced the current rules make the demarkation between accessible and non-accessible areas clear enough, when I'm working I don't want to measure the crawl space heights to determine if the installation is touch safe at that point (when blindly reaching around for instance). Trying to protect all the other possible users of a space on the assumption they will do specific things (which may not be obvious to them) is a bit silly. Homeowners happily do plastering work which can expose "inaccessible" areas and they themselves are unlikely to enforce the 50mm clearance restrictions intended to save them.

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