SVP Industrial Electrician Practice Questions - Saudi Skill Verification Program - Industrial Electrician (Saudi Arabia) Exam

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Under Saudi Electrical Code (SBC 401) and international standards, what is the standard color coding for a three-phase low-voltage system?

Phase 1: Brown, Phase 2: Black, Phase 3: Grey, Neutral: Blue, Protective Earth: Green-Yellow Phase 1: Red, Phase 2: Yellow, Phase 3: Blue, Neutral: Black, Protective Earth: Green Phase 1: Black, Phase 2: Red, Phase 3: Blue, Neutral: White, Protective Earth: Bare Copper Phase 1: Yellow, Phase 2: Green, Phase 3: Red, Neutral: Grey, Protective Earth: White

Correct Answer:

Phase 1: Brown, Phase 2: Black, Phase 3: Grey, Neutral: Blue, Protective Earth: Green-Yellow

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