Safety Precautions

Question 1

B+, or supply voltages in electronic products, are considered to be:

Answer 1

+12 to 300 VDC

Question 2

Leakage current in an electronic product, between either of the AC power cord conductors and the chassis or any exposed metal parts should not exceed____________.

Answer 2

500 micro-amps

Question 3

Shaded components on electronics schematics mean:

Answer 3

Only exact parts may be used.

Question 4

Ingested solder fumes or particles____________.

Answer 4

are toxic.

Question 5

Rules describing the fire or toxicity retardant types of cabling which may be installed in buildings is obtained in ___________________.

Answer 5

NEC Article 770

Question 6

Second degree skin burns should______________.

Answer 6

Not be treated with ice &bandage pack.

Question 7

ESD and static discharge is most destructive to__________.

Answer 7

CMOS semiconductors.

Question 8

If you have never received formal training and practiced CPR on a person or dummy, in the event of finding a fellow worker not breathing, you____________.

Answer 8

Should not attempt it, but call for help.

Question 9

When working at heights above 6 ft, a ___________is required by OSHA rules.

Answer 9

full body harness attached to a lanyard which prevents more than a 6’ drop.

Question 10

Residual voltage is associated with_________________.

Answer 10

charge retained by inductors.