Where I dont have access to he earth
2006-08-31 00:52:35 · 3 answers · asked by saeed f 1 in Science & Mathematics ➔ Engineering
Where I dont hae access to the earth
2006-08-31 00:55:29 · update #1
Nothing stops magnetic fields.
2006-08-31 01:09:03 · answer #1 · answered by Anonymous · 0⤊ 0⤋
In wiring it is often that we think we need to have more shielding for instance on a long microphone cable. If u are not careful u get hum in the microphone. The real problem is u have current flow in your safety ground . sometimes u can eliminate this by only connecting the shield at one end. The better solution is to eliminate the current flow in the safety ground. U can do this by checking your neutral and grounds. The neutral and grounds should only connect at the transformer. For safety u need MOV about 15 to25 volts ,between neutral and ground for lightning protection.
2006-08-31 04:14:23 · answer #2 · answered by JOHNNIE B 7 · 0⤊ 0⤋
http://www.mumetal.com/index.html
Doug
2006-08-31 01:34:04 · answer #3 · answered by doug_donaghue 7 · 0⤊ 0⤋