Todays Job

[Highway Man]

As you would know, a 10mm bonding conductor is usually connected to the MET just inside the door opening. Surelyt the 'bond' is there to negate any difference in potential between the DNO earth and the column in the ground under fault conditions.

yes the earth we put in is only to protect the light in normal circumstances, during a crash it just gets ripped out. We do actually have a new safer method when we put new lights in, these are called snatch leads and are designed to disconnect safely. However these are new and we only install them in high collision areas due to their costs

 

[Jurassicspark]

but are they not well earthed by virtue of being concreted into the earth ?

Concrete isn't a good conductor.

 

[Highway Man]

Concrete isn't a good conductor.

very true, however once again we have a work around for this too. We put an additive into the mix which is called conductive concrete. Street electrical and comms are quite fascinating, unlike normal electrics. When I first started I was a bit lost with it all but then it all makes sense.

 

[Munroast]

Looking great. Well done, hope you remember to sand it down well. lol

ha - I wonder what would be more dangerous to my well being, a live lamp post (connected to a nearby nuclear power station) , or my wife getting a splinter in her bum off a toilet seat that I had made ?

 

[Highway Man]

ha - I wonder what would be more dangerous to my well being, a live lamp post (connected to a nearby nuclear power station) , or my wife getting a splinter in her bum off a toilet seat that I had made ?

I would say the latter.

 

[Highway Man]

Concrete isn't a good conductor.

 

[ReganAndCarter]

Cars don’t crash into domestic CU’s.

You haven't seen the other half's driving.

 

[Jurassicspark]

Interesting thanks.

The old way was to dig an electrode in and fill with salt and water and hope for a good loop impedance.

Do you use that often?

 

[Highway Man]

Interesting thanks.

The old way was to dig an electrode in and fill with salt and water and hope for a good loop impedance.

Do you use that often?

yes very often, we always lay an earth rod in the ground rather than to drive them in.

 

[Munroast]

Back on the bog seat

got the Lid all glued together - just had enough wood from the big joist, some annoying knots and flaws to work around

but all cut out now, and have shaped the bit to sit on

amazing what you can cut out with a pair of scissors

 

[fillyboy]

Back on the bog seat

got the Lid all glued together - just had enough wood from the big joist, some annoying knots and flaws to work around

but all cut out now, and have shaped the bit to sit on

amazing what you can cut out with a pair of scissors

Looking good, looking very good.

 

[securespark]

Cars don’t crash into domestic CU’s.

Twice I have been called out to cars that have crashed into the cables feeding their installations, both domestic garages. One was a PILC TN-S cable, the other a PVC straight con.

Both drivers elderly, both cars auto.

Both cables mangled. The PVC one not too bad, a glancing blow. Ripped off the sheath and damaged some of the outer cores.

The PILC got quite badly damaged and cut off the supply. The report I got said "? Small fire" Don't know the full details, I just turned up to check the rest of the install was undamaged.

 

[blup]

Twice I have been called out to cars that have crashed into the cables feeding their installations, both domestic garages. One was a PILC TN-S cable, the other a PVC straight con.

Both drivers elderly, both cars auto.

Both cables mangled. The PVC one not too bad, a glancing blow. Ripped off the sheath and damaged some of the outer cores.

The PILC got quite badly damaged and cut off the supply. The report I got said "? Small fire" Don't know the full details, I just turned up to check the rest of the install was undamaged.

I was thinking CU’s but yes many external meters/cables nowadays

 

[Notch7]

Back on the bog seat

got the Lid all glued together - just had enough wood from the big joist, some annoying knots and flaws to work around

but all cut out now, and have shaped the bit to sit on

amazing what you can cut out with a pair of scissors

looks like American white ash -with nice white colouring

Sadly the Emerald Ash borer has decimated Ash trees in the USA. back before 2010 I used to use a lot of American white ash as we used to supply skirting, liners, architraves, door frames etc for music studios.

Ash is a lovely timber to work with, cuts nice and is very very strong

 

[Highway Man]

Superb job. Would never have guessed a toilet seat from that first image that you posted. Well done !!!