GlennA said:
to protect them from lightning strikes, overloads and suicidal squirls and make maintenance easier with minimum interuption.
squirls? [SIC] <img src="http://www.traveltalkonline.com/forums/images/graemlins/Grin.gif" alt="" /> <img src="http://www.traveltalkonline.com/forums/images/graemlins/Grin.gif" alt="" /> <img src="http://www.traveltalkonline.com/forums/images/graemlins/Grin.gif" alt="" />
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