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B+, or supply voltages in electronics products, is considered to be: A. +5 to +12 VDC B. 0 to 30 V DC C. +12 to 300 V DC D. The anode or plate voltage supply correct answers D. The anode or plate voltage supply Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metals should not exceed _________. A. 5 microamps B. 500 microamps C. 5 milliamps D. 50 milliamps correct answers B. 500 microamps Shaded components on the electronics schematics mean: A. Only factory service personnel may change the part B. Only exact replacement parts may be used C. The shading makes for better readability D. High voltage is present on these parts correct answers B. Only exact replacement parts may be used Ingested solder fumes when particles _______. A. I'm not harmful to the human body B. Are toxic C. From lead-tin solder aren't harmful D. From tin-alloys are most harmful correct answers B. Are toxic Second degree skin burns should ________. A. Not be treated with ice and bandage pack B. Be covered with thick bandages C. Be treated with cold water or ice D. Be treated by draining blisters correct answers A. Not be treated with ice and bandage pack Rules describing the fire or toxicity retardant types of cabling which may be installed in buildings is contained in _________. A. NEC Article 770 B. UL 569B C. TIA/EIA standard 578 D. NEMA code 1316 correct answers A. NEC Article 770