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Switches #134920
12/10/02 12:44 AM
12/10/02 12:44 AM
Trumpy  Offline
OP
Member
Joined: Jul 2002
Posts: 8,231
SI,New Zealand
A thing as simple as a switch.
What are the standard ampere ratings of the
switches, that you use in your country, for
lighting, appliance control, etc?.
Are 5A switches still used for lighting in your country?.
Your input please-

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Re: Switches #134921
12/10/02 02:37 PM
12/10/02 02:37 PM
J
j a harrison  Offline
Member
Joined: May 2002
Posts: 106
southampton, england
In england most of the lighting switches are installed with the following loadings;

Crabtree plate switches; 6amp or 10amp
MK plate switches are now 10amp
some other versions are either 6amp or 10amp

some grid switches, cover plate/grid/switch/back box these range from 6 amp 10 amp 20 amp

depends on the load you wish to switch.

Hope it helps

John H

Re: Switches #134922
12/10/02 03:06 PM
12/10/02 03:06 PM
P
pauluk  Offline
Member
Joined: Aug 2001
Posts: 7,520
Norfolk, England
I'll just add that the 5A switches were uprated to 6A in line with the change of MCBs from 5 to 6A.

Re: Switches #134923
12/10/02 07:48 PM
12/10/02 07:48 PM
D
David UK  Offline
Member
Joined: Oct 2002
Posts: 134
Inverness, Scotland
Most UK made domestic light switches are now a minimum of 10A rating. (No derating for fluorescent loads.)
I believe some of the cheaper imported ones may still be 6A rating, but I only use the UK made ones.

[This message has been edited by David UK (edited 12-11-2002).]

Re: Switches #134924
12/11/02 12:03 AM
12/11/02 12:03 AM
Trumpy  Offline
OP
Member
Joined: Jul 2002
Posts: 8,231
SI,New Zealand
One particular brand of switch, over here,
(PDL), started off as a 5A rated mechanism,
a few years later, it was then up-rated to 10A and again to 16A, this rating has recently been increased to 20A.
This is in a standard light switch, don't ask
me why, although I think it may have something to do with the in-rush currents of
Fluorescent lights.
Regardless of this, a 20A current rating on a light switch is a bit over the top, don't you think?.

Re: Switches #134925
12/11/02 04:03 AM
12/11/02 04:03 AM
C
C-H  Offline
Member
Joined: Sep 2002
Posts: 1,497
Stockholm, Sweden
The switches I've seen were 10A. Some carry a dual marking: 10A for Sweden, 16A for Norway. (You would have thought that they could have agreed on a 13A rating...)

Re: Switches #134926
12/11/02 07:41 AM
12/11/02 07:41 AM
A
amandaamisha  Offline
Member
Joined: Dec 2002
Posts: 16
safat,kuwait,kuwait
In Kuwait we have for lighting 10 amps rated switches .
The general purpose socket outlets are 13amps (square)and 15amps(round).
All English makes are available here.
I have seen 6amps,weatherproof plate switches of MK make at a few sites (outdoor).

Re: Switches #134927
12/11/02 08:47 AM
12/11/02 08:47 AM
T
Texas_Ranger  Offline
Member
Joined: Dec 2001
Posts: 2,409
Vienna, Austria
Old Austrian toggles and other old types were 6A, rockers like on the picture with the strip connectors hanging in mid-air next to it (Violations from Austria thread) were rated 10A, all newer ones are 10/16A (DC/AC).

Re: Switches #134928
12/14/02 11:45 PM
12/14/02 11:45 PM
Trumpy  Offline
OP
Member
Joined: Jul 2002
Posts: 8,231
SI,New Zealand
Texas,
Is there a requirement to have a DC rating on
your switches?.
There was a school of thought over in Australia, that in the Outbacks, they should use a pure DC system, with localised Battery
systems.
Has anyone else ever heard of DC reticulation
around a township?.

Re: Switches #134929
12/15/02 06:52 AM
12/15/02 06:52 AM
P
pauluk  Offline
Member
Joined: Aug 2001
Posts: 7,520
Norfolk, England
Most of our domestic-type light switches have been AC-only rated for many years.

DC distribution (3-wire 200/400 to 250/500V) was used in the older parts of some British towns. It survived in places into the 1960s.

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