Electricians Forum | Electrical Forum | An electrical forum for electricians in the UK - View Single Post - Testing Zs at Lighting switch's with no neutral

Martin · 05-02-2008

For loop testing with the Fluke, choosing L-PE will do a low current "no trip" 3 wire test. Choosing L-P will do a high current 2 wire test. For this connect the L probe to live and N to earth. Remember that the 2 wire test will trip any RCDs.

05-02-2008	#11 (permalink)
Martin Junior Member Join Date: Dec 2007 Posts: 5	Re: Testing Zs at Lighting switch's with no neutral For loop testing with the Fluke, choosing L-PE will do a low current "no trip" 3 wire test. Choosing L-P will do a high current 2 wire test. For this connect the L probe to live and N to earth. Remember that the 2 wire test will trip any RCDs.
Martin Junior Member Join Date: Dec 2007 Posts: 5