1) Is there a surge protector at your switchboard?

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2) Main electronics hubs need internal protection like your home entertainment systems and the computers. This secondry protection is vital where you have lots of electronic devices in one spot. If a power surge gets thru to here it can be expensive to fix.

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3) Make sure the phone line and cable tv line are protected as surges can enter your home thru these cables aswell.

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Primary surge protection goes on the line in from the street. Located at the switchboard. Provides full system protection.

Secondry internal surge protection is a power board inside to protect indivigual appliances. Make sure you also protect you phone line and cable tv line aswell as surges often come in thru these wires aswell.


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