As summer draws near, many boaters are planning overnight cruises. To sleep comfortably, they’ll rely on factory installed or portable air conditioners. These appliances, however, can put tremendous electrical loads on outdated, twist-type shore power electrical connections, leaving owners wide-eyed awake wondering if their older plug is going to overheat. Using the revolutionary SmartPlug not only greatly improves onboard safety, but allows cruisers the worry-free rest they need. The amperage draw of an air conditioner…