In spray applications, as per Art. 516, the handle of the spraying gun shall be constructed so that the operator, in normal operating position, is in direct electrical contact with the grounded handle — with a resistance of not more than ___ megohm — to prevent buildup of a static charge on their body.
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A) 0.5
B) 1.0
C) 2.0
D) 5.0
Find the Answer
Answer: B
As noted in Sec. 516.10(B)(3) [Handle], “The handle of the spraying gun shall be electrically connected to ground by a conductive material and be constructed so that the operator in normal operating position is in direct electrical contact with the grounded handle with a resistance of not more than 1.0 megohm to prevent buildup of a static charge on the operator’s body.”
Credit: Inga Dronsutaviciene/iStock/Thinkstock
Owen is the owner and president of National Code Seminars and the holder of master electrician certifications in 46 states. He can be reached at [email protected].
