Recent content by jhebert

  1. J

    Figuring out AWG cable size for Dual Battery & wiring?

    For advice on choosing conductor size in wiring of power distribution circuits, a simple method of calculation of needed wire gauge based on the distance (FEET) and the amount of current (AMPERES) has been worked out for specific voltages and permitted amounts of voltage drop. This method is the...
  2. J

    Mercury Pro XS to MercMonitor Level 1 to Lowrance?

    The junction box provides the needed gender-reversal of the connectors. It also provides for the necessary terminators to be attached.
  3. J

    Mercury Pro XS to MercMonitor Level 1 to Lowrance?

    That sounds backwards. Are you certain that the two conductors marked "external power" are not intended to be connected to a source of external power?
  4. J

    Should I remove the batteries from the boat when I charge them?

    I do not remove the ultra-high-purity lead-acid absorbent-glass-mat constructed batteries from my boat during winter storage. These batteries weight about 65-lbs each, and they are in an awkward location to install on or remove from the boat. The reason I use ultra-high-purity lead is that...
  5. J

    Total boat electrical refit - looking for advice

    Connecting power to a secondary power distribution panel from a primary power distribution bus using conductor of 8-AWG will be adequate for most small boat installations where the distance between the two power distribution points is not more than about 10-feet.
  6. J

    Total boat electrical refit - looking for advice

    Hello--are you a Canadian citizen boating in Canada? If so, there is good advice about proper licensing of a boat radio and proper operator's license available at https://boating.ncf.ca/vhf.html#license If you are an U.S.A citizen and will be boating in Canada, or if you are a Canadian...
  7. J

    Using Cole-Hersee Switches to Control Navigation Lighting

    For information on using Cole-Hersee pull switches to control navigation lighting, see COLE-HERSEE Switches http://continuouswave.com/forum/view...php?f=9&t=2410 A thorough explanation for wiring the popular three-position M532 switch to control several configurations of lamps is provided...
  8. J

    Lake Superior--Isle Royale

    In late summer of 2010 we visited Isle Royale National Park in Lake Superior. I describe our 12-day trip in an illustrated narrative at http://continuouswave.com/sail-logs/irnp2010/ There are over 130 color photographs, as well as details of the navigation, harbors, lodging, meals, and...
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