WAC 296-54-555
WAC 296-54-555. Metal spar guyline safety straps
(1) A metal spar guyline safety strap or equivalent device must be installed at the bight of the guylines to prevent guylines from falling vertically more than five feet in case of structural or mechanical failure of the guyline attachment.
(2) The safety strap or equivalent devices must be equal to the strength of one guyline being used.
(3) Using cable clips or clamps to join the ends of portable spar or tower guyline safety straps is prohibited, unless used to secure the end of a farmer's eye.