Deck : Deck General - 1110/5076
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| Which statement about the use of portable electric lights in petroleum product tanks is TRUE? |
| A) They can be used only when the compartment is gas free. |
| B) They must be explosion-proof, self-contained, battery-fed lamps. |
| C) No portable electric equipment of any type is allowed. |
| D) The fixture must be explosion-proof and the line must have a ground wire. |
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