Recent content by Martin Flint

M
Excessive earth fault loop impedance

Many thanks o did s bit of digging and worked out 0-24 so I knew they all comply but thanks for your help
- Martin Flint
- Post #13
- Apr 24, 2019
- Forum: Periodic Inspection Reporting & Certification
M
Excessive earth fault loop impedance

Hi sorry for delay I’ve been to the job and they are protected by Berlin gerun BS100N Mccb I have 3 phase 100a and single phase 63a and 32a they are saying max zs is 0.10 for these can anyone confirm or tell me what the max zs is for these many thanks
- Martin Flint
- Post #11
- Apr 24, 2019
- Forum: Periodic Inspection Reporting & Certification
E0B12D01-F8F6-468E-8F50-A3E81EBF2580.jpeg
- Martin Flint
- Media item
- Apr 24, 2019
- Comments: 0
- Category: Professional Electrician
51A99293-C3AA-4CD2-90DA-1B59E1DD7DDC.jpeg
- Martin Flint
- Media item
- Apr 24, 2019
- Comments: 0
- Category: Professional Electrician
7076F013-1A75-46BF-9B32-FF3DB454EC56.jpeg
- Martin Flint
- Media item
- Apr 24, 2019
- Comments: 0
- Category: Professional Electrician
6F225430-8407-404D-8D8B-4BC206C4AF23.jpeg
- Martin Flint
- Media item
- Apr 24, 2019
- Comments: 0
- Category: Professional Electrician
2F200605-9FA2-4B4B-9A42-BE5AC05E8A39.jpeg
- Martin Flint
- Media item
- Apr 24, 2019
- Comments: 0
- Category: Professional Electrician
M
Excessive earth fault loop impedance

I’m going to the hotel tomorrow to have a look will provide more info then but if it is the ze wouldn’t all the circuits have a high reading ? Also regarding zdb is the ze from another dB recorded as a zs reading ? Many thanks for your reply
- Martin Flint
- Post #5
- Apr 17, 2019
- Forum: Periodic Inspection Reporting & Certification
395BCEB0-7110-44BC-B0DD-69A0583B574E.png
- Martin Flint
- Media item
- Apr 17, 2019
- Comments: 0
- Category: Professional Electrician
M
Excessive earth fault loop impedance

I work for a hotel chain and recently we’ve had our 5 yearly test they have 8 circuits from our LV panel with excessive loop impedance readings !! So apart from either introducing an rcd or dropping mcb ratings or type is there any other way of achieving satisfactory readings ?? Also if I have a...
- Martin Flint
- Thread
- Apr 17, 2019
- earth earth fault loop impedance fault impedance loop loop impedance
- Replies: 13
- Forum: Periodic Inspection Reporting & Certification
M
Advice on5 year periodic test on hotels

I’ll Hi I need a bit of advice on our 5 year test the company has put a limitation on checking main fuses and bussbar testing due to the gas meter adjacent in the room !! 5 years previous this was not picked up is this acceptable or should they do this ! Many thanks for your help Also they...
- Martin Flint
- Thread
- Dec 13, 2017
- advice periodic test
- Replies: 4
- Forum: Periodic Inspection Reporting & Certification
M
Max Zs for Bs88-2 630amp fuse

Hi Andy if you could pass this on would be great
- Martin Flint
- Post #16
- Mar 29, 2017
- Forum: Industrial Electricians' Talk
M
Max Zs for Bs88-2 630amp fuse

Oh I see many thanks for your help
- Martin Flint
- Post #15
- Mar 29, 2017
- Forum: Industrial Electricians' Talk
M
Max Zs for Bs88-2 630amp fuse

0.08 Ze
- Martin Flint
- Post #13
- Mar 29, 2017
- Forum: Industrial Electricians' Talk
M
Max Zs for Bs88-2 630amp fuse

And you think the reading is not realistic because of the transformer ? How would you recommend putting a resistance on the circuit bearing in mind it's an open occupied hotel ! Sorry I've never come across this problem and not really tested bussbar
- Martin Flint
- Post #11
- Mar 29, 2017
- Forum: Industrial Electricians' Talk

OFFICIAL SPONSORS

These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc