Minimal conditions to qualify for categories B, C, or D. All visible metal connectors are:
Secured to truss/rafter with a minimum of three (3) nails, and
Attached to the wall top plate of the wall framing, or embedded in the bond beam, with less than a ½" gap from the blocking or truss/rafter and blocked no more than 1.5” of the truss/rafter, and free of visible severe corrosion.
B. Clips
Metal connectors that do not wrap over the top of the truss/rafter, or
Metal connectors with a minimum of 1 strap that wraps over the top of the truss/rafter and does not meet the nail position requirements of C or D, but is secured with a minimum of 3 nails.