Recent content by crystal ball

Ask someone to explain

I have never made predictions, and I never will

£500

Andy Kershaw https://www.bbc.co.uk/news/articles/cn9qprx2ljlo

If I open the panel will there be an anti tamper device

Just the internal sounder is dead, more like a big bong sound from a small loudspeaker

Power cut caused by high winds, rural end of line

According to the note left by the alarm guy it triggers zone 5, I will try and get a pic next week

Beam works ok, relay works ok, garden bell works ok Sounder does not work, tested for some sort of signal... nothing

Have you got a link to those

Its hard to explain, when the beam is broken it sends a signal to a relay in the garage, (all powered by the alarm ) the relay then sends a signal via the alarm panel to a sounder in the house ( which has now stopped working) Also the relay brings on a bell and light in the garden via a timer...

Wireless bell will be in house, probably mains powered, the trigger is an existing 12 volt relay controlled by a clean contact in turn triggered by the infra red beam, this is basically the current set up but connected via the alarm panel

I have a long standing customer with a beam cross his gateway which triggers a light and bell in his garden, and used to trigger a sounder in the house through the alarm system, the sounder failed after a power cut. I am looking for ideally a wireless doorbell set up that can be triggered by a...

When I worked for NORWEB cut out fuses were pulled daily, no PPE apart from jeans and Tee shirt, a few years ago a factory I looked after had a new substation , the DNO guy turned up to fit the new fuses, huge gauntlets, full face guard, fire resistant boiler suit

We were returning to Harare from UK, the pilot announced Harare was fogged in but "I will have a go" , alternative was Bulawayo , about an hour away. There were a few nervous looking passengers, we bounced along in the fog and the runway appeared suddenly, there was a round of applause for the crew