Search found 5 matches

by val101
Tue Jul 21, 2009 3:53 pm
Forum: Electrics Forum
Topic: Design Stage
Replies: 7
Views: 3222

thanks for al your help
by val101
Tue Jul 21, 2009 3:53 pm
Forum: Electrics Forum
Topic: Design Stage
Replies: 7
Views: 3222

thanks for all your help
by val101
Sun Jul 12, 2009 7:03 pm
Forum: Electrics Forum
Topic: Design Stage
Replies: 7
Views: 3222

Design Stage

hi all could someone please explain to me why i need the follwing information at the design stage of an istallation - - Prospective earth fault current (I) - The value of external impedance (Ze) - Assumed current demand of the installation - Disconnection times of certain light fittings Many thanks
by val101
Sat May 30, 2009 2:49 pm
Forum: Electrics Forum
Topic: EAL Certified Domestic Installer Course
Replies: 3
Views: 3028

EAL Certified Domestic Installer Course

hi all im currently doing the above course and im struggling with a few questions. im fine with the electrical questions, since im studying to be a spark, but on the course you get asked questions which i have no idea about, here is one example - - Give TWO reasons why it is necessary for the main c...
by val101
Tue Apr 01, 2008 6:16 pm
Forum: Electrics Forum
Topic: Physics Question
Replies: 3
Views: 2845

Physics Question

Hi all I’m doing an assignment for physics class and its to do with electrics. The question is: Which one of the following would cause an unsafe situation? a. A 6 amp fuse in a 60 amp circuit b. A 60 amp fuse in a 6 amp circuit c. A 60 amp wire fuse in a 80 amp circuit d. A 6 amp cartridge fuse in...
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