Student training aid on the requirements for protection against electric shock ADS (automatic disconnection of supply). Video includes sizes of protective bonding conductors and earthing conductors within a 100 amp single phase domestic installation. Also covered additional protection, 0.4 and 5 seconds disconnection times for TN-S and TN-C-S earthing systems, RCD's rated at 30mA and below, IP ratings and exposed and extraneous conductive parts.
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What is ADS... ADS explained
== 🕐 Time Stamps - Cut to the action 🕕 ==
00:00 - ADS automatic Disconnection of supply
01:07 - Size of the cut out fuse
01:32 - Meter tails
01:46 - Main earthing terminal (MET)
03:59 - Safety electrical connection do not remove
06:05 - Why do we bond the gas and water pipes
07:09 - IP ratings of electrical enclosures
08:59 - Circuit breaker sizes
11:14 - Exposed conduit parts
12:35 - Additional protection with an RCD
Videos are training aids for City and Guilds (C and G) and EAL courses Level 1, 2, 3 plus AM2, AM2S and AM2E.
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4 июл 2024