When constructing the Empire State Building in 1930, engineers found that the heavy non-armored electrical cable installed in vertical raceways or risers imposed excessive strain on terminations, ...
Type MV cables terminated in equipment or installed in pull boxes or vaults shall be secured and supported by metallic or nonmetallic supports suitable to withstand the weight by the use of cable ties ...
Sandvik is expanding its industry-leading battery-electric underground drill offering to include a battery-powered cable bolter, the first of its kind. Sandvik DS422iE is a battery-electric rock ...
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