Forespar Lightning Master Static DissipatorView all products in Misc Deck Hardware #:  22156
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Forespar Lightning Master Static Dissipator

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Free Shipping This Item qualifies for Free Shipping on orders over $99! More Info...

Free Davis Deluxe Boater's Knife with $300 order

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Dissipates the build-up of a static ground charge on your boat to reduce the risk of a lightning strike.
More Details...   #22156
Brand:  Forespar
MFG Part#:   151100
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Forespar 151100 Lightning Master Static Dissipator

Lightning Master™ Static Dissipators lower the exposure to a direct lightning strike by controlling the conditions which trigger direct strikes.

It reduces the build-up of static ground charge and retards the build-up of the ion "streamers" which complete the path for a lightning strike.

The Lightning Master Static Dissipator employs the point-discharge principle to continually leak off the lightning causing ground potential in low amperages over a long period of time instead of the short duration, high amperage discharge occurring with a lightning strike.

This is the same technology from the same manufacturer which is successfully employed to protect commercial broadcast and television towers from direct lightning strikes.

This lightweight 21-inch dissipator mounts to the masthead and extends vertically above all other masthead equipment. The dissipator must be electrically bonded to the boat grounding system with a continuous low resistance path to ground. An existing properly grounded mast and rigging may be used for this purpose. 

Forespar does not claim that this product is 100% effective in preventing a lightning strike. At the present collective level of understanding of the lightning phenomenon, no one can make that claim.

The Lightning Master Static Dissipator does control the causes of lightning strikes and thereby reduces the incidence of direct strikes.

  • Excellent durability with low weight and low windage
  • The shaft has two mounting holes at the base
  • Approximately 21" high with 3/8" diameter shaft

NOTE: Lightning Master is the Trade Mark of the Lightning Master Corporation whose products are protected by US Patents. 

  Forespar Lightning Master Installation

  Forespar Lightning Master Brochure

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Q. Do you offer Free Shipping?
A. We have free ground shipping via UPS or Canada Post within Canada on most orders of $99 or more (pre-tax).

Q. What do you mean by most orders?
A. Some items are exempt from this offer and are indicated on the product page. Exempt items are usually bulky or heavy items such as buoys. Over 98% of the items on qualify for the free shipping offer.
To see what your shipping charge (if any) will be you can add the item(s) and quantities to the shopping cart and you will see a shipping cost calculator

Q. Where do you ship from?
A. We ship from Halifax, NS

Q. What is the delivery time?
A.  NS, NB, PE: 1 - 2 business days,
      ON, QC, NL: 2- 4 business days
      MB, SK, AB: 4-5 business days
      BC: 5-7 business days
When your order ships you will be emailed a tracking number which will give you the scheduled delivery date

Q. Do you offer Express Shipping?
A. We offer Express Shipping on some orders depending on the items ordered and the delivery address. If Express shipping is available for your order you will see the option on the checkout page. If you do not see the Express option and you want Express shipping please send an email and we will provide you with a quote (

Q. Do you require a signature on delivery?
A. We sometimes add a signature requirement especially if it is a high value package

Please Note:
Very Remote areas are exempt from Free Shipping offer. These are typically remote northern areas. Nunavut as well as many parts of the Yukon and NWT are exempt from free shipping

Money Back Guarantee
Guarantee You may return your purchase to us (with a return authorization number - use this form) within 30 days and we will refund the purchase price of the product. Items which are cut to order (rope, wire etc), software, chart cards and printed materials (paper charts, books) are not returnable.

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