Pat 2000i, Portable appliance tester – Seaward PAT2000i User 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
25
PAT 2000i Booklet 7/3/03 4:26 pm Page 26