Thanks Tom. I was afraid some might interpret what you quoted too broadly in light of some of the previous posts, so I figured it might be helpful to add a little context. The Boatbuilder's Handbook is a great read for anyone interested in working on boats and it's free on-line at the link I posted.
Cheers!
Jim
--- In electricboats@yahoogroups.com, "Tom" <boat_works@...> wrote:
>
> You are correct that outboards and diesels are exempt. Boats with gas inboards or I/Os, or permanently installed gas generators are not exempt.
>
> I posted this to show that the CFRs for recreational vessels only require ignition protection on gasoline systems, not diesel or propane.
>
>
>
>
> --- In electricboats@yahoogroups.com, "luv2bsailin" <luv2bsailin@> wrote:
> >
> > The trouble with quoting regs is that one needs to read the whole thing to determine applicability. As far as I can tell this particular bit only applies to components installed on boats with inboard gasoline engines. Gas outboards and diesel inboards are exempt.
> > The USCG's "Boatbuilder's Handbook" lists the regs and provides detailed explanations and means of compliance.
> > Jim
> >
> >
> > --- In electricboats@yahoogroups.com, "Tom" <boat_works@> wrote:
> > >
> > > From the Code of Federal Regulations 183.410:
> > >
> > > (a) Each electrical component must not ignite a propane gas and air mixture that is 4.25 to 5.25 percent propane gas by volume surrounding the electrical component when it is operated at each of its manufacturer rated voltages and current loadings, unless it is isolated from gasoline fuel sources, such as engines, and valves, connections, or other fittings in vent lines, fill lines, distribution lines or on fuel tanks, in accordance with paragraph (b) of this section.
> > >
> > > (b) An electrical component is isolated from a gasoline fuel source if:
> > > (1) A bulkhead that meets the requirements of paragraph (c) of this section is between the electrical component and the gasoline fuel source...
> > >
> > > (end of quote)
> > >
> > > Note that it is legal to install components that are not ignition protected, provided that they are isolated.
> > >
> > > -Tom
> > >
> > > , such as engines, motors
> > >
> > >
> > > -- In electricboats@yahoogroups.com, Ben Okopnik <ben@> wrote:
> > > >
> > > > On Tue, Jul 26, 2011 at 08:01:34AM -0700, rob linda wrote:
> > > > >
> > > > >
> > > > > Dear Arby,
> > > > > Your story about the Coastguard acting on "brushes in the bilge" doesn't make
> > > > > sense at all, if they were happy with the replacement diesels, since the
> > > > > starter motors of those diesels were brushed as well and living in the bilge,
> > > > > so what was gained?
> > > > > According to you, NO electric starting ICE boats would be sea-legal.
> > > > > One of us must be a little confused...
> > > >
> > > > How about those nice Sherwood or ATT pumps, _designed_ to sit in the
> > > > bilge? Brushed motors in both, and every single *commercial* fishing
> > > > vesel I've seen has at least a few on board. Yeah, something is off.
> > > >
> > > >
> > > > --
> > > > Ben Okopnik
> > > > -=-=-=-=-=-
> > > >
> > >
> >
>
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