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Ten Commandments of Instrumentation Wiring

1. THOU SHALT NOT USE COMMON RETURNS.
2. THOU SHALT USE TWISTED SHIELDED PAIRS WITH OVERALL INSULATION FOR ALL SIGNAL AND CONTROL CIRCUITS.
3. THOU SHALT GROUND SHIELDS AT ONE END ONLY.
4. THOU SHALT INSTALL TESTED EARTH CONNECTIONS AND RETEST THEM PERIODICALLY.
5. ALL THY EARTH CONNECTIONS MUST USE LARGE WIRE, SMOOTHLY DRESSED
6. THY WORK SHALL BE SUPER NEAT.
7. THOU SHALT SPACE HIGH POWER CONDUCTORS AWAY FROM SIGNAL CONDUCTORS ACCORDING TO NEC RULES.
8. WIRES SHALL BE SIZED FOR THEIR LOAD REQUIREMENTS.
9. THOU SHALT USE LIGHTNING ARRESTERS AND SURGE PROTECTORS.
10. MAKE THOU CERTAIN THAT ALL SCREWS ARE TIGHT.
11. ASSUME NOTHING - CHECK AND TEST. BLESSED BE OHM'S LAW AS IT ALWAYS APPLIES.