Identify Service Amperage

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Master Quizzes the Apprentice on Residential Services, how did he do? #hendythesparky

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What happens here

The video begins with a master electrician asking his apprentice son to identify the amperage of two electrical services mounted on the exterior of a building. The son correctly identifies one as a 320 amp service and the other as a 200 amp service by observing the meter bases. The master electrician confirms these identifications, highlighting the visual cues that indicate these capacities.

Goal: Accurately determine the amperage rating of an electrical service by visual inspection.

Tools and materials

Electrical Service Meter Bases — Observation and identification of amperage rating

What they say

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All right, Chris. So, let's give you a little test here. What's the size of this? And what's the size of this? Just by looking at it. Just by looking at it, this is a 320 amp service. And right here is a 200 amp service. That's correct. Now, it could be 300 amp, could be 250 amp. It's the maximum allowed by the National Electric Code. That's mistake. Maybe by the utility company. Right. Without a CT cabinet is 320 amps. Once you get over 320 amps,

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