FEGEITOK:


Thanks.

Additional clarifications.

There is an earth rod outside the building.

It is less than 5 inches from the building.

The solar panels are 170 inches from the building.

I connected the solar panels that distance of 170 inches to the general earth of the house.

You mean that I should do another earth rod less than 5 inches from the solar panels then connect both underground right?

The last paragraph is what I meant.
If the connection in the bolded is outside your building, I think it should be ok. Surge will flow to ground rather than I to your house.

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Puvo:




What’s your location

Thank you

odimbannamdi:


Nice one, bro! Weldone!

olopan:
Lagos

Too far

It can be sent to what ever your location is across the country.

In fact, the components are more of a plug and play rather than one that will rack your brain.

A layman can even put the whole setup together with Bare knowledge.

We can also offer you a virtual update and follow up, when faced with difficulty

Puvo:


Too far

mank1234:


The last paragraph is what I meant.
If the connection in the bolded is outside your building, I think it should be ok. Surge will flow to ground rather than I to your house.

Thank you.

What are you thoughts on earthing DSTV connections?

I have found out that I need to earth the mast/pole on which the dish is mounted as well as the cable that brings the feed to the TV.

Can I do that with locally available materials?

Or will I have to import the stuff I have seen being used in places like the US?

By the way I just got wind of a man in Abuja who literally has to replace his TV and his DSTV decoder monthly due to this problem.

I have never had this problem, but I want to put in place all precautions.

My final move will be installing multiple thunder arrestors (at least 4) on my roof. Putting that off for the last due to the financial implications.

olopan:
It can be sent to what ever your location is across the country.

In fact, the components are more of a plug and play rather than one that will rack your brain.

A layman can even put the whole setup together with Bare knowledge.

We can also offer you a virtual update and follow up, when faced with difficulty

I’d prefer something I can easily get access to you guys if I encounter any issue. Lagos too far

FEGEITOK:


Thank you.

What are you thoughts on earthing DSTV connections?

I have found out that I need to earth the mast/pole on which the dish is mounted as well as the cable that brings the feed to the TV.

Can I do that with locally available materials?

Or will I have to import the stuff I have seen being used in places like the US?

By the way I just got wind of a man in Abuja who literally has to replace his TV and his DSTV decoder monthly due to this problem.

I have never had this problem, but I want to put in place all precautions.

My final move will be installing multiple thunder arrestors (at least 4) on my roof. Putting that off for the last due to the financial implications.

If the cost is not much of an issue, get an Indelec lightning arrestor

Very well then!

Puvo:



I’d prefer something I can easily get access to you guys if I encounter any issue. Lagos too far

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Scrap batteries could also be traded in for brand new battery replacements.. Prices might be reviewed from time to time


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casualobserver:

Why a breaker allowed current above its rating for 5 minutes still doesn’t.

That said I can understand a hypothetical scenario where a switch is rated for say 30A, a breaker for 50A and current of 45A flows and causes a fire at the switch and the breaker doesn’t trip because it is within the limit of the current passing through, allowing the current to continue to do damage. I can’t wrap my head around a current of 60A flowing in this hypothetical scenario and the breaker 50A remaining live long enough for damage to be done at the 30A switch.

There are different types of MCBs, and they each have a specific Trip Curve.
Type B and C, the ones we typically use at home takes about 5 seconds to trip when 5 times it's rated current passes thru it.

Fuses on the other hand will break at it's rated current.
Fuses are fast acting, while MCBs will be giving you final warning for several days before grudginly taking action.

NiyiOmoIyunade:
I last installed a residential lightning protection and earthing system in September 2021.

Budget - Under 750k
Achieved System Resistance - 2.3 ohms
Number of Rods - 5 x 6ft
Earth enhancement material backfill - 5 bags
Furse Earth inspection pits - 5
Full roll of 25mm sq copper cable for bonding rods
Indelec Prevectron TS 2.25
U bolt clamps and assorted fasteners and connectors.

We were able to deliver the job with a very healthy margin and return some credit to the customer.

We should be looking at costs of between 2 to 3 times the above today!

mctfopt:



If the cost is not much of an issue, get an Indelec lightning arrestor

Thanks for pointing me in this direction.

This will be expensive but I have started making enquiries.

I saw one property that had 4 lightning arrestors on the same building. I had to check it out and found out that the more the merrier. The greater the likelihood that the system will not be overwhelmed.

Now imagine having 4 of the above.

FEGEITOK:


Thanks for pointing me in this direction.

This will be expensive but I have started making enquiries.

I saw one property that had 4 lightning arrestors on the same building. I had to check it out and found out that the more the merrier. The greater the likelihood that the system will not be overwhelmed.

Now imagine having 4 of the above.

you do not need an indelec lightnng arrestor for a domestic residence

a franklin arrester is all you need

you only need one arrestor

anything else is overkill

what you need is an arrestor at the highest point in your facility

it must be properly earthed

GloriousGbola:


you do not need an indelec lightnng arrestor for a domestic residence

a franklin arrester is all you need

you only need one arrestor

anything else is overkill

what you need is an arrestor at the highest point in your facility

it must be properly earthed

Turns out what I saw was a Franklin (actually 4 of them)

They installed the additional 4 after a lightning strike destroyed some stuff on the site.

They had one before.

They even installed it in a such way that you could easily open the earth pit for inspection.

Will try to get the name of the stuff on the ground when next I visit the site

Barezzi:

There are different types of MCBs, and they each have a specific Trip Curve.
Type B and C, the ones we typically use at home takes about 5 seconds to trip when 5 times it's rated current passes thru it.

Fuses on the other hand will break at it's rated current.
Fuses are fast acting, while MCBs will be giving you final warning for several days before grudginly taking action.

That’s kinda worrisome

50AH 12v lithium battery available?

Good evening house.

Has anyone used afripower 1kva inverter and how will you rate it.

If positive do you know their office in Lagos?

Are there bigger types of enclosures of these types available in the market?

ameh99:
50AH 12v lithium battery available?

ameh99:
50AH 12v lithium battery available?

Price?

I use the hybrid version and with all the insults I have put on it, it still stands strong. Another advantage is I'm able to see the percentage load on it wit the battery volt reading which many of its peers dont show.

Xmen149:
Good evening house.

Has anyone used afripower 1kva inverter and how will you rate it.

If positive do you know their office in Lagos?

GloriousGbola:


you do not need an indelec lightnng arrestor for a domestic residence

a franklin arrester is all you need

you only need one arrestor

anything else is overkill

what you need is an arrestor at the highest point in your facility

it must be properly earthed

Area covered is dependent on:
-Type of lightening arrestor
-likelihood is it occurring.
-shape of your roof
-the length and breadth of building and so on.
So you may actually need more than 1.

You also need a very good earthing. Like Niyi pointed out the resistance must be very low so that the current can flow easily to ground when surge is building up. Else you're are causing more harm - attracting what you cannot handle

Drgreatone:
I use the hybrid version and with all the insults I have put on it, it still stands strong. Another advantage is I'm able to see the percentage load on it wit the battery volt reading which many of its peers dont show.

Oh ok thanks. Because I used the 3.5kva somewhere recently (non hybrid) and the transfer time from NEPA to battery was very noticeable....

maybe because the battery was very low though,but I became sceptical about getting the 1kva.

What about starplus tubular battery (I like the rugged appearance) have you tried it or think it might be that good?

mank1234:


Area covered is dependent on:
-Type of lightening arrestor
-likelihood is it occurring.
-shape of your roof
-the length and breadth of building and so on.
So you may actually need more than 1.

You also need a very good earthing. Like Niyi pointed out the resistance must be very low so that the current can flow easily to ground when surge is building up. Else you're are causing more harm - attracting what you cannot handle

Smiles.

Thanks for sharing.

I now have pictures of what I was earlier struggling to describe.

Your warnings will be taken into account.

I appreciate your inputs.

Will begin by testing the resistance of the current earthing. That will help me determine if it is good enough or if it will need to be replaced

12.5kw incell lithium battery available
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12.5kw incell lithium battery heading to its new owner

Keep the calls coming...

Not experienced any lag wit NEPA to battery transfer. I actually use the starplus battery,bought it used a year ago from @feflo and its bin doing its work well. Just ensure u pamper the battery well and I think it sud serve u well

Xmen149:


Oh ok thanks. Because I used the 3.5kva somewhere recently (non hybrid) and the transfer time from NEPA to battery was very noticeable....

maybe because the battery was very low though,but I became sceptical about getting the 1kva.

What about starplus tubular battery (I like the rugged appearance) have you tried it or think it might be that good?

Drgreatone:
Not experienced any lag wit NEPA to battery transfer. I actually use the starplus battery,bought it used a year ago from @feflo and its bin doing its work well. Just ensure u pamper the battery well and I think it sud serve u well

Thanks for the replies brother mi

mank1234:


Area covered is dependent on:
-Type of lightening arrestor
-likelihood is it occurring.
-shape of your roof
-the length and breadth of building and so on.
So you may actually need more than 1.

You also need a very good earthing. Like Niyi pointed out the resistance must be very low so that the current can flow easily to ground when surge is building up. Else you're are causing more harm - attracting what you cannot handle

@fegeitok

google furse lightning protection and dehn lightning protection

those are detailed guides.

there is clearly a lot of FUD going on, especially with the ridiculousness of protecting domestic residences with indelec which is an ACTIVE lightning protection system typically used in industrial settings

you can also google Indelec - it will take you to their website and you will find teh ACTUAL calculations required for specifying an indelec arrester

for a domestic facility, what you want to do is put an arrester on your tallest structure in your compound. then you want to run an insulated conductor to earth.

typically on your overhead water tank stand . elevate teh arrester by one meter or more. it is actually best if it is not installed on your house as the flow of current to earth can induce surges within your electrical installation

your real issue is that the arrester MUST be properly earthed. you will NOT be able to tell if you do not conduct an earth integrity test. you want earth resistance of below 10 ohms.

if your earthing is not done well and the lightning earthing is bonded to your home earthing, earth current can literally flow back into your system during a strike.

the tendency pf lightning is to strike the tallest /taller structures in an area.
which is why most of these propositions are deliberate overkill

for better for worse we have indiscriminate siting of telecomms masts in domestic areas. lightning will strike those before it strikes any building.