Seaward PAT2000i - Manual (Page 28)

Appendix A
PROTECTIVE EARTH THRESHOLDS
STANDARD RESISTANCE THRESHOLD
BS3456 Household electrical Appliances (0.1 +R)
Ω
BS EN 60335 BS 3456 Clause 27.5
BS4533 Luminaries 0.5
Ω
Clause 7.2.3 (including cable)
BS 2769 Hand held motor operated tools (0.1+R)
Ω
Clause 25.4
BS415 Mains operated electronic and related apparatus (0.5+R)
Ω
Clause 15.2
BS EN 60950 Information technology equipment (0.1 +R)
Ω
Clause 2.5.11
Note R is the resistance of the appliances flexible cable.
Appendix B:
INSULATION TEST THRESHOLDS
STANDARD INSULATION THRESHOLD
Class I Class ll
As In As In
New Service New Service
BS3456 Household electrical appliances 2M Ω 0.5M Ω 7M Ω 1M Ω
BS EN 60335 BS3456 Clause 16.3
BS4533 Luminaries 2M Ω 0.5M Ω 4M Ω 1M Ω
Clause 10
BS2769 Hand held motor operated tools 2M
Ω
0.5M
Ω
7M
Ω
1M
Ω
Clause 15
BS415 Mains operated electronic and related apparatus 2M
Ω
0.5M
Ω
4M
Ω
1M
Ω
BS EN 60950 Information technology equipment 2M
Ω
0.5M
Ω
2M
Ω
1M
Ω
PAT 2000i Portable Appliance Tester
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PAT 2000i Booklet 7/3/03 4:26 pm Page 26