Fixed appliance testing

PATGuard 3 Forum

Fixed appliance testing

Postby Kevin » Mon Nov 04, 2013 4:03 pm

Hi,

Is there a risk of tripping a consumer unit RCD when measuring earth continuity on a class 1 fixed appliance e.g. a wall heater supplied via a FCU or a cooker via an isolation switch.

I carry out a continuity test between accessible earthed metal parts of the equipment and the earth in the supply (i.e. FCU screw with the FCU unassembled), with the appliance switched off (i.e. not an in-situ test), as shown at http://apollo600.seaward.co.uk...and-fixed-appliances/

The test equipment test current is 200mA for 2 secs.

Is there any danger of anyone receiving a shock if they touch an external conductive part of any appliance in the property when the test is being carried out?

Regards
Kevin
Kevin
 
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