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upstream

Recent Content Tagged With upstream

Thread
Industrial Breaker Coordination

The trip ratings of upstream and downstream circuit breakers should be same as I was told by a senior. Why cant the downstream circuit breaker be...

Thread by: charzree, Dec 21, 2018, 2 replies, in forum: Electrical Wiring, Theories and Regulations
Resource
Understanding Rcds 2016-08-28

IN THIS ARTICLE we discuss Residual Current Device (RCD) operation, which can occur due to electrical faults both downstream and upstream of the...

Posted By: GMES, Aug 28, 2016 in category: Wiring Diagrams
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10KA or 6KA breakers?

I know the difference between the 2 sorts but I'm thinking do I need to fit 10KA breakers in this scenario, when I've got 6KA MCBs in the van! 3...

Thread by: yellowvanman, Jan 7, 2014, 21 replies, in forum: Electrical Forum
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Type D 40A MCB upstream of BS88 63A Fuse

Can anyone help with the time current characteristics of which will operate first? Essentially a 40A type D crabtree pole star fed from a BS 88 g...

Thread by: Ziggy Sparks, Sep 11, 2012, 6 replies, in forum: Electrical Wiring, Theories and Regulations
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DISCRIMINATION BETWEEN RCDs

Morning Guys I know that if a 100mA RCD is followed by a 30mA RCD, the 100mA needs to be S type. If a 300mA RCD is followed by a 30mA RCD (Farm...

Thread by: Piratepete, Dec 19, 2011, 6 replies, in forum: Electrical Wiring, Theories and Regulations
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Commercial rcd discrimination

hi guys im an apprentice and need some more understanding about rcds please may i have an example of rcd discrimination and what ratings i would...

Thread by: Daniel Son, Dec 8, 2011, 6 replies, in forum: Electrical Forum
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Maximum tolerable fault current

Just completing the testing of a transportable catering unit.(chip van). Within the NICEIC REPORT I must complete, a.MAXIMUM TOLERABLE FAULT...

Thread by: TALK, Jun 30, 2011, 2 replies, in forum: Periodic Inspection Reporting & Certification
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Ze testing using a MFT 1553

Am I correct in thinking that when doing a Ze test using a 1553, the dial needs to be set on the 'Hi' setting in the green loop section of the...

Thread by: JamesBrownLive, Nov 22, 2010, 14 replies, in forum: Periodic Inspection Reporting & Certification
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2 RCD's

Hi guys I was just thinking about what someone put about a question I asked a couple of days ago. I asked about putting an RCD proceted fused spur...

Thread by: eagleeye, Sep 24, 2009, 4 replies, in forum: Electrical Forum
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rcd

can anyone explain how an upstream supply fault can make an rcd trip?....shakey maybe:confused:

Thread by: jimes, Aug 17, 2008, 13 replies, in forum: Electrical Forum

Showing results 1 to 10 of 10

- Loose tiles & underfloor heating... posted by JMRolfe. Hi all New to the forum so hello, please go gentle, and let me know if I'm posting in the wrong place? We've recently had an extention, during which we also had the kitchen, utility and all......
- FREE Python adhesive/sealant or grout! posted by Python Adhesives. Hello everyone, We are offering a FREE bag of Python as a special trial offer! Choose from any of our product range. Let me know your contact details and I we will get it delivered to you.......
- Refurb Work posted by JP Tiling. We have got multiple scheme's coming up in the East Midlands and are after reliable tilers with CSCS, 110V tools and a good standard of work to join the good ship JP If interested, drop me a message
- Water surge up through toilet after water company did routine street cleanse posted by Bewildered 57. SevernTrent's subcontractor carried out a routine drains cleanse at the bottom of the street about 20 houses away. We were in our house and heard lots of noises coming up the pipes. Water then...
- Vaillant boiler issues F28 on ecotec 430 not the normal culprit posted by Navi Bhander. Hi there, I’m hoping someone can help the last 9 months of intermittent issues we’re having. We live in a large house which is heated by 2 Vaillant ecotec plus 430 system boilers. They’re wired...
- Thermostatic cartridge posted by 87hoax. Hi, Been having some issues with a brand new thermostatic shower on a combi system. Before i fit the bar mixing valve, flow out of the open outlets comes out around 12 litres a minute, but once...

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