{"title":"Forespar Lightning Master Static Dissipator — Installation Manual","description":"\u003clink rel=\"stylesheet\" href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/om-manual-v2.css\"\u003e\u003cstyle\u003e.mpom .om-tbl.nw td+td{white-space:nowrap}.mpom details.om-dd{position:relative;margin:0}.mpom details.om-dd\u003esummary{list-style:none;cursor:pointer}.mpom details.om-dd\u003esummary::-webkit-details-marker{display:none}.mpom .om-dd-menu{position:absolute;left:0;top:calc(100% + 6px);min-width:100%;width:max-content;max-width:360px;background:#fff;border:1px solid #e3e5e8;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.14);z-index:30;padding:6px}.mpom .om-dd-menu a{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:10px 12px;border-radius:4px;font-size:14px;font-weight:600;color:#2a2b2a!important;text-decoration:none!important}.mpom .om-dd-menu a:hover{background:#f5f6f8}.mpom .om-dd-menu small{font-weight:400;color:#5f6368;white-space:nowrap}\u003c\/style\u003e\u003cdiv class=\"mpom\"\u003e\n\u003cdiv class=\"om-head\"\u003e\n\u003cdiv\u003e\n\u003cspan class=\"om-tag\"\u003eINSTALLATION MANUAL\u003c\/span\u003e\u003cp class=\"om-lead\"\u003eHow to mount the Forespar Lightning Master static dissipator at the masthead, give it a continuous path to ground and bond the boat's metal masses, with Forespar's background on how dissipators reduce the chance of a direct strike.\u003c\/p\u003e\n\u003cdiv class=\"om-box\"\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eDocument\u003c\/span\u003e\u003cb\u003eForespar Lightning Master Static Dissipator Installation Manual\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\"\u003e\n\u003cspan\u003eFormat\u003c\/span\u003e\u003cb\u003ePDF · 3 pages · 0.2 MB\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-row\" style=\"border-bottom:0\"\u003e\n\u003cspan\u003eLanguage\u003c\/span\u003e\u003cb\u003eEnglish\u003c\/b\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-acts\"\u003e\u003cdetails class=\"om-dd\"\u003e\u003csummary class=\"om-btn dl\"\u003e\u003csvg viewbox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2.4\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\u003e\u003cpath d=\"M12 4v11\"\u003e\u003c\/path\u003e\u003cpath d=\"m7 10 5 5 5-5\"\u003e\u003c\/path\u003e\u003cpath d=\"M5 20h14\"\u003e\u003c\/path\u003e\u003c\/svg\u003e Download PDF ▾\u003c\/summary\u003e\u003cdiv class=\"om-dd-menu\"\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Forespar-Lightning-Master-Installation-Instructions.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eInstallation Manual\u003c\/span\u003e\u003csmall\u003ePDF · 3 p.\u003c\/small\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Forespar-Lightning-Master-Technical-Information.pdf\" target=\"_blank\" rel=\"noopener\"\u003e\u003cspan\u003eTechnical information (F28.1)\u003c\/span\u003e\u003csmall\u003ePDF · 7 p.\u003c\/small\u003e\u003c\/a\u003e\n\u003c\/div\u003e\u003c\/details\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-toc\"\u003e\n\u003ca href=\"#om-specs\"\u003eSpecifications\u003c\/a\u003e\u003ca href=\"#om-install\"\u003eInstallation\u003c\/a\u003e\u003ca href=\"#om-theory\"\u003eProtection Plan\u003c\/a\u003e\u003ca href=\"#om-products\"\u003eProducts\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-img\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/files\/Forespar-Lightning-Master-Installation-Instructions-Cover.png\" alt=\"Forespar Lightning Master Static Dissipator — Installation Manual\" loading=\"lazy\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-specs\"\u003e\n\u003ch2 class=\"om-h\"\u003eProduct Data\u003c\/h2\u003e\n\u003cdiv class=\"om-tbl nw\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePart No.\u003c\/td\u003e\n\u003ctd\u003e151100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e5.2 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLength\u003c\/td\u003e\n\u003ctd\u003e21\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrinciple\u003c\/td\u003e\n\u003ctd\u003ePoint discharge: hundreds of very small radius electrodes leak off the static ground charge and retard the formation of streamers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eForespar does not claim the product is 100% effective in preventing a lightning strike; it reduces the incidence of direct strikes. Take all steps for personal safety during an electrical storm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-install\"\u003e\n\u003ch2 class=\"om-h\"\u003eInstalling the Dissipator\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eMount the dissipator on the masthead, on the main column of the spar (not out on the crane), vertically and as high as possible, slightly away from antennas and clear of masthead equipment.\u003c\/li\u003e\n\u003cli\u003eScrew it to the side of the spar (machine screws are best, stainless steel fasteners) with tight metal-to-metal contact: remove any paint first. Paint may be reapplied over the joint.\u003c\/li\u003e\n\u003cli\u003eAssure a continuous electrical path to ground (the water): the aluminum mast is a good path if it is properly grounded from the mast step to the water, e.g. via the standing rigging (no antenna insulators) to an external metal keel through the keel bolts, or to the propeller shaft by bonding to the engine block.\u003c\/li\u003e\n\u003cli\u003eOptional: electrically bond together all other metal masses on the boat.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cdiv\u003e\n\u003ch3 class=\"om-h3\"\u003ePowerboats \u0026amp; bonding wire\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eOn a powerboat more than one dissipator may be needed (radar arch, cabin top, tuna tower): mount them where charge accumulates – points, corners and edges.\u003c\/li\u003e\n\u003cli\u003eA dedicated path to ground may be required: bonding wire at least number six (6) solid copper, or equivalent, run as straight as possible with no sharp bends.\u003c\/li\u003e\n\u003cli\u003eBonding protects people first (a person touching two unbonded masses such as the stern pulpit and the wheel can become the path of equalization) and equipment second (stops arcing through electrical or antenna wiring, and fire risk).\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"om-block\" id=\"om-theory\"\u003e\n\u003ch2 class=\"om-h\"\u003eThree-Pronged Lightning Protection\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eBonding and grounding: bond all metallic masses (standing rigging, pulpits, tracks…) together and bring them to earth (water) potential.\u003c\/li\u003e\n\u003cli\u003eSurge suppression on all lines: AC and low voltage power, telephone, antenna and data wiring.\u003c\/li\u003e\n\u003cli\u003eStatic dissipators on the natural charge accumulation points (mastheads on a sailboat), optionally with a lightning rod and a bonded path to ground for direct strikes.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003cp class=\"om-note\"\u003eThe technical information sheet (second PDF) explains strike formation, secondary and electromagnetic effects on electronics, and the point-discharge principle in detail.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp class=\"om-note\"\u003eNeed a part that isn't listed? \u003ca href=\"\/pages\/contact\"\u003eAsk us to source it\u003c\/a\u003e and quote the part number from the PDF.\u003c\/p\u003e\n\u003ch2 class=\"om-h\" id=\"om-products\"\u003eProducts in this Manual\u003c\/h2\u003e\n\u003c\/div\u003e","products":[],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0879\/4908\/2930\/collections\/Forespar-Lightning-Master-Installation-Instructions-Cover.png?v=1793136301","url":"https:\/\/www.mauripro.com\/collections\/owners-manuals-forespar-lightning-master.oembed","provider":"MAURIPRO Sailing","version":"1.0","type":"link"}