Electrical, Theory and Practice

New Topic

253 topics

Announcements

Replies

Views

Last post

How to use this section.

Last post by adam2 « 13 Sep 2016, 19:48

by adam2 » 13 Sep 2016, 19:48

0 Replies

7933 Views

Last post by adam2
13 Sep 2016, 19:48

Topics

Replies

Views

Last post

When the lights go out.

Last post by emordnilap « 05 Feb 2013, 11:26
Replies: 31
by Kentucky Fried Panda » 31 Jan 2013, 19:48
1

2

3
31 Replies

10120 Views

Last post by emordnilap
05 Feb 2013, 11:26
Improved 12 volt and 24 volt lighting

Last post by adam2 « 14 Jan 2013, 09:14
Replies: 2
by adam2 » 11 Jan 2013, 13:45

2 Replies

2684 Views

Last post by adam2
14 Jan 2013, 09:14
CIBSE Annual Lecture 2012: How secure is GB’s electrical sup

Last post by Pepperman « 26 Nov 2012, 17:35
Replies: 20
by kenneal - lagger » 12 Nov 2012, 04:46
1

2
20 Replies

10735 Views

Last post by Pepperman
26 Nov 2012, 17:35
Improved type of 8 watt flourescent tube available.

Last post by adam2 « 17 Oct 2012, 08:19
Replies: 4
by adam2 » 16 Oct 2012, 13:53

4 Replies

2174 Views

Last post by adam2
17 Oct 2012, 08:19
Powering amateur radio from batteries

Last post by clv101 « 06 Oct 2012, 23:17
Replies: 9
by clv101 » 04 Oct 2012, 00:34

9 Replies

4527 Views

Last post by clv101
06 Oct 2012, 23:17
A smaller emergency lighting system

Last post by adam2 « 17 Jul 2012, 16:37
Replies: 1
by adam2 » 17 Jul 2012, 13:05

1 Replies

2290 Views

Last post by adam2
17 Jul 2012, 16:37
New type of LED light

Last post by adam2 « 02 Jun 2012, 17:28
Replies: 12
by adam2 » 16 Sep 2010, 16:28

12 Replies

3782 Views

Last post by adam2
02 Jun 2012, 17:28
Leclanche wet cells, back to the future ?

Last post by adam2 « 13 Apr 2012, 11:24
Replies: 4
by adam2 » 10 Oct 2010, 09:02

4 Replies

3331 Views

Last post by adam2
13 Apr 2012, 11:24
Electrical safety when using 12 volts.

Last post by adam2 « 25 Feb 2012, 12:20
Replies: 30
by adam2 » 27 Oct 2007, 13:42
1

2

3
30 Replies

28054 Views

Last post by adam2
25 Feb 2012, 12:20
Smart Meters, a good idea?

Last post by RenewableCandy « 16 Jan 2012, 15:19
Replies: 8
by SleeperService » 13 Jan 2012, 11:15

8 Replies

4497 Views

Last post by RenewableCandy
16 Jan 2012, 15:19
Basic Renewable Electricity Question

Last post by Tarrel « 20 Dec 2011, 13:42
Replies: 24
by Tarrel » 13 Dec 2011, 21:35
1

2
24 Replies

9168 Views

Last post by Tarrel
20 Dec 2011, 13:42
PV to run a laptop - recommendations

Last post by mobbsey « 11 Dec 2011, 06:42
Replies: 38
by MrG » 05 Jul 2011, 10:46
1

2

3
38 Replies

14945 Views

Last post by mobbsey
11 Dec 2011, 06:42
LED Lightbulbs

Last post by CountingDown « 01 Dec 2011, 20:51
Replies: 24
by Mark » 12 Aug 2009, 15:43
1

2
24 Replies

11628 Views

Last post by CountingDown
01 Dec 2011, 20:51
California and Mexico blackout

Last post by biffvernon « 12 Sep 2011, 18:17
Replies: 11
by JavaScriptDonkey » 09 Sep 2011, 08:45

11 Replies

1834 Views

Last post by biffvernon
12 Sep 2011, 18:17
New £300 thermo electric generator

Last post by adam2 « 12 Sep 2011, 08:58
Replies: 2
by sam_uk » 11 Sep 2011, 22:34

2 Replies

4276 Views

Last post by adam2
12 Sep 2011, 08:58
7ah / 10 watt solar charge controller? Adam2?

Last post by Potemkin Villager « 03 Sep 2011, 20:32
Replies: 8
by sam_uk » 25 Aug 2011, 00:44

8 Replies

5316 Views

Last post by Potemkin Villager
03 Sep 2011, 20:32
Choosing an inverter

Last post by mikepepler « 27 May 2011, 11:11
Replies: 14
by mikepepler » 13 May 2011, 10:27

14 Replies

4471 Views

Last post by mikepepler
27 May 2011, 11:11
Electricity Monitors - some advice please

Last post by biffvernon « 23 Apr 2011, 21:19
Replies: 6
by Mean Mr Mustard » 23 Apr 2011, 14:07

6 Replies

1653 Views

Last post by biffvernon
23 Apr 2011, 21:19
Voltage optimiser

Last post by Pepperman « 04 Apr 2011, 13:57
Replies: 17
by biffvernon » 30 Mar 2011, 18:34
1

2
17 Replies

19709 Views

Last post by Pepperman
04 Apr 2011, 13:57
3 wire DC electrical systems

Last post by adam2 « 10 Mar 2011, 15:53
Replies: 6
by adam2 » 26 Feb 2011, 01:22

6 Replies

4397 Views

Last post by adam2
10 Mar 2011, 15:53
A very basic 12 volt PV system for emergency lighting.

Last post by adam2 « 24 Nov 2010, 13:41
Replies: 47
by adam2 » 12 Jun 2008, 12:00
1

2

3

4
47 Replies

39366 Views

Last post by adam2
24 Nov 2010, 13:41
Use of ultracapacitors for engine starting

Last post by adam2 « 18 Nov 2010, 21:08
Replies: 11
by the mad cyclist » 17 Nov 2010, 22:07

11 Replies

3438 Views

Last post by adam2
18 Nov 2010, 21:08
What's your weekly spend on electricity?

Last post by Totally_Baffled « 05 Nov 2010, 22:57
Replies: 15
by Andy Hunt » 03 Nov 2010, 21:34
1

2
15 Replies

5668 Views

Last post by Totally_Baffled
05 Nov 2010, 22:57
Generator advice

Last post by Joules « 01 Nov 2010, 12:52
Replies: 7
by Joules » 12 Oct 2010, 19:23

7 Replies

2992 Views

Last post by Joules
01 Nov 2010, 12:52
Rota power cuts and voltage reductions

Last post by emordnilap « 08 Oct 2010, 17:18
Replies: 25
by adam2 » 23 Sep 2010, 16:35
1

2
25 Replies

13578 Views

Last post by emordnilap
08 Oct 2010, 17:18
Advise please about inverter

Last post by nnnnnn « 12 Jul 2010, 14:33
Replies: 3
by PS_RalphW » 11 Jul 2010, 22:28

3 Replies

1459 Views

Last post by nnnnnn
12 Jul 2010, 14:33
Long power outage, could it happen here ?

Last post by adam2 « 07 Jul 2010, 09:17
Replies: 8
by adam2 » 11 Jun 2009, 13:43

8 Replies

3890 Views

Last post by adam2
07 Jul 2010, 09:17
Do unused lead acids die?

Last post by Kentucky Fried Panda « 08 May 2010, 20:16
Replies: 13
by Vortex » 06 Feb 2010, 22:06

13 Replies

3708 Views

Last post by Kentucky Fried Panda
08 May 2010, 20:16
Light bulbs power Venezuela out of electricity crisis

Last post by RenewableCandy « 25 Mar 2010, 15:27
Replies: 5
by Mark » 08 Mar 2010, 10:49

5 Replies

2173 Views

Last post by RenewableCandy
25 Mar 2010, 15:27
rechargeable batteries' voltage

Last post by mobbsey « 05 Mar 2010, 20:07
Replies: 6
by emordnilap » 02 Mar 2010, 15:58

6 Replies

2935 Views

Last post by mobbsey
05 Mar 2010, 20:07
Stepping down from 24v to 12v

Last post by Catweazle « 21 Dec 2009, 12:31
Replies: 3
by hardworkinghippy » 20 Dec 2009, 22:42

3 Replies

1248 Views

Last post by Catweazle
21 Dec 2009, 12:31
Wanted: 240V LED spotlights to replace 240V 50W GU10's

Last post by Aurora « 19 Nov 2009, 05:02
Replies: 5
by Aurora » 18 Nov 2009, 19:38

5 Replies

2016 Views

Last post by Aurora
19 Nov 2009, 05:02
Old-style bulbs 'being hoarded'

Last post by emordnilap « 21 Sep 2009, 12:54
Replies: 51
by Aurora » 27 Aug 2009, 16:33
1

2

3

4
51 Replies

9851 Views

Last post by emordnilap
21 Sep 2009, 12:54
Grid Tie / Battery Question

Last post by Andy Hunt « 30 Apr 2009, 13:22
Replies: 7
by DominicJ » 30 Apr 2009, 10:36

7 Replies

2743 Views

Last post by Andy Hunt
30 Apr 2009, 13:22
Energy Saving Bulbs Help

Last post by adam2 « 05 Jan 2009, 09:46
Replies: 15
by MisterE » 02 Jan 2009, 18:22
1

2
15 Replies

5077 Views

Last post by adam2
05 Jan 2009, 09:46
Charging a leisure battery from a car

Last post by adam2 « 03 Oct 2008, 13:39
Replies: 1
by Andy Hunt » 23 Sep 2008, 17:14

1 Replies

12407 Views

Last post by adam2
03 Oct 2008, 13:39
Pedal generator - advice please!

Last post by Andy Hunt « 31 Jul 2008, 10:53
Replies: 9
by Andy Hunt » 22 Jul 2008, 23:23

9 Replies

10813 Views

Last post by Andy Hunt
31 Jul 2008, 10:53
Uninterruptible Power Supply

Last post by adam2 « 04 Jun 2008, 12:20
Replies: 14
by clv101 » 02 Jun 2008, 11:09

14 Replies

3216 Views

Last post by adam2
04 Jun 2008, 12:20
Back up electricity

Last post by Andy Hunt « 03 Apr 2008, 12:02
Replies: 11
by Philip W » 01 Apr 2008, 09:30

11 Replies

3115 Views

Last post by Andy Hunt
03 Apr 2008, 12:02
Electricity

Last post by adam2 « 28 Mar 2008, 13:54
Replies: 15
by Budgie » 22 Feb 2008, 17:12
1

2
15 Replies

10960 Views

Last post by adam2
28 Mar 2008, 13:54
Lightbulbs, dimmers and advice from the Carbon Trust

Last post by revdode « 16 Oct 2007, 20:50
Replies: 11
by Adam1 » 12 Oct 2007, 17:06

11 Replies

3223 Views

Last post by revdode
16 Oct 2007, 20:50
Personal Electricity

Last post by biffvernon « 18 Sep 2007, 12:05
Replies: 17
by Zeus » 16 Sep 2007, 15:05
1

2
17 Replies

3803 Views

Last post by biffvernon
18 Sep 2007, 12:05
Power to the People: Run Your House on a Prius

Last post by adam2 « 03 Sep 2007, 08:32
Replies: 2
by Aurora » 02 Sep 2007, 18:24

2 Replies

2388 Views

Last post by adam2
03 Sep 2007, 08:32
Resilience of key infrastructure to the coming power cuts

Last post by Erik « 17 May 2007, 22:00
Replies: 2
by Adam1 » 16 May 2007, 12:30

2 Replies

3304 Views

Last post by Erik
17 May 2007, 22:00
Smart electricity meters to be obligatory

Last post by GD « 02 Feb 2007, 15:23
Replies: 4
by GD » 02 Feb 2007, 09:25

4 Replies

1456 Views

Last post by GD
02 Feb 2007, 15:23
What generator type/style is "best"?

Last post by kenneal - lagger « 05 Nov 2006, 03:34
Replies: 10
by Vortex » 21 Oct 2006, 18:07

10 Replies

5361 Views

Last post by kenneal - lagger
05 Nov 2006, 03:34
Testing scrapyard car batteries?

Last post by Bandidoz « 13 Oct 2006, 19:17
Replies: 15
by Vortex » 12 Oct 2006, 15:48
1

2
15 Replies

9420 Views

Last post by Bandidoz
13 Oct 2006, 19:17
100F = 5 days of blackouts in New York

Last post by skeptik « 26 Jul 2006, 09:58
Replies: 16
by skeptik » 22 Jul 2006, 10:22
1

2
16 Replies

5744 Views

Last post by skeptik
26 Jul 2006, 09:58
Auckland, NZ outage 1998

Last post by GD « 27 Jun 2006, 11:32

by GD » 27 Jun 2006, 11:32

0 Replies

1272 Views

Last post by GD
27 Jun 2006, 11:32
Revitalising old lead-acid batteries

Last post by Bootstrapper « 11 Oct 2005, 12:53
Replies: 1
by MacG » 11 Oct 2005, 10:06

1 Replies

4126 Views

Last post by Bootstrapper
11 Oct 2005, 12:53

New Topic

253 topics

Return to Board Index

Forum permissions

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum