zs testing on RCD

[davidcaulfield]

How can you do a zs test at pull switch or switch with no neutral? On an RCD circuit

 

[MDJ]

haha, you pulling our legs now david, what tester have you got?

 

[Des 56]

You are testing the earth fault path.you have a earth,you have a supply,why do you want more ?

 

[Harryb]

Real men guestimate. All lighting circuits are 1.12 ohms lol

 

[telectrix]

You are testing the earth fault path.you have a earth,you have a supply,why do you want more ?

no trip tests are generally a 3 lead test. that's why he needs a N.

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Real men guestimate. All lighting circuits are 1.12 ohms lol

1.0mm is 2.13333333333333.

 

[Des 56]

no trip tests are generally a 3 lead test. that's why he needs a N.

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But thats not what he asked tell

quote
How can you do a zs test at pull switch or switch with no neutral? On an RCD circuit


If he has concerns with the RCD,he can do what is recomended (which he can find in the testing books)

He asked about no neutral
He needs to think on the questions before posting

 

[telectrix]

agreed. i would test at the fitting anyway, with the switch closed.

 

[ian.settle1]

Lick the end of your finger and touch the live terminal if you get a belt and the RCD trips you know you have a good Ze.

 

[Guest55]

How can you do a zs test at pull switch or switch with no neutral? On an RCD circuit

you cant if you havent got a 2 wire loop tester.
just take the Zs reading from the nearest light , which clearly will have a neutral.
probably not more than a trillonth of an ohm difference anyway.
;-)

 

[davidcaulfield]

I have megger 1552. I obviously tested all lights but just wanted to test all switches. Didn't no if there was a way of doing no trip on a 2 wire that's all I was asking.

 

[tony mc]

Not with a 1552 as you need a neutral connected on the No trip scale!

 

[MDJ]

Stick the neutral and earth lead on the earth lol

 

[Silly Sausage]

Dave, are you biff's trainee?

 

[telectrix]

Dave, are you biff's trainee?

my sympathy to him if he is. LOL.

 

[Octopus]

How can you do a zs test at pull switch or switch with no neutral? On an RCD circuit

Why do you want to test at the switch.