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12-10-2007
| #1 (permalink) |
| Administrator  Join Date: Jul 2007 Location: South Yorkshire
Posts: 724
  |  2391 : 21#Exam Sample Question (Short Question) List three instrument tests which are undertaken to confirm the correct operation of a 30mA RCD installed to supplementary protection against direct contact. |
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If You Build It, They Will Come n If it aint broken don't fix it!
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09-12-2007
| #2 (permalink) |
| Member Join Date: Nov 2007
Posts: 89
| Re: 2391 : 21#Exam Sample Question (Short Question) at half the rated value of the device (15mA) at the rated value (30mA)] and at 5 times the rated value (150mA) All on both cylces at 15mA no trip at 30mA less than 200mS at 150mA less than 40mS (this was done from memory after a couple of beers and match of the day so double check me) |
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