Spider boxes: A spider or temporary box is a unit or enclosure for distributing power safely and efficiently. You can transport these units and use them on various sites. WIV DISTRIBUTION BOXES MAXIMUM FLEXIBILITY + MOBILITY. Maximum flexibility + mobility: With our pluggable WIV exhibition distribution boxes you are well placed to benefit. emporary power. Engineered utilizing the latest in GFCI technology, Southwire's iconic yellow temporary power boxes have been providing contractors, electricians, and engineers with the highest level of electrical safety fo over 35 years. They handle everything from simple 120/240V single-phase loads to powerful.
