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BS 1363-2:2016+A1:2018

$215.11

13 A plugs, socket-outlets, adaptors and connection units – Specification for 13 A switched and unswitched socket-outlets

Published By Publication Date Number of Pages
BSI 2018 92
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This part of BS 1363 specifies requirements for 13 A switched and unswitched shuttered socket‑outlets for household, commercial and light industrial purposes, with particular reference to safety in normal use. The socket‑outlets are suitable for the connection of appliances, sound‑vision equipment, luminaires, etc. in a.c. circuits only, operating at voltages not exceeding 250 V r.m.s. at 50 Hz using plugs in accordance with BS 1363‑1:2016. Additional requirements are included for socket-outlets suitable for electric vehicle charging.

Requirements are specified for 13 A shuttered socket‑outlets in single or multiple arrangements, with or without associated controlling switches, for flush mounting in suitable boxes, e.g. conforming to BS 4662:2006+A1:2009, or for surface or panel mounting or for portable use. Fixed socket‑outlets are intended for use with cables conforming to BS 6004:2012 and cables to the relevant part of BS EN 50525 (see Annex H), having copper conductors. Portable socket‑outlets are intended for use with flexible cables conforming to the relevant part of BS EN 50525. Socket‑outlets incorporating fuse links, switches and indicator lamps are included within the scope of this part of BS 1363. Socket‑outlets incorporating electronic components as detailed in Annex I are included within the scope of this part of BS 1363.

Socket-outlets conforming to this standard are shuttered and therefore do not require the use of additional means to shield the current‑carrying contacts when no plug is present in the socket-outlet.

NOTE 1 The titles of the publications referred to in this part of BS 1363 are listed in the bibliography.

NOTE 2 In order to maintain safety and interchangeability with plugs and socket‑outlets it is necessary that these products conform to the requirements of Clause 9 and Clause 13 of this part of BS 1363, however their body outline need not be limited at a distance of 6.35 mm from the plug engagement surface.

NOTE 3 Requirements for electromagnetic compatibility for socket‑outlets that incorporate electronic devices are given in Annex I.

A socket‑outlet that does not incorporate electronic devices does not emit intolerable electromagnetic interference since significant electromagnetic disturbances are only generated during insertion and withdrawal which are not continuous.

A socket‑outlet that does not incorporate electronic devices is mechanical by nature of construction. The product is therefore immune from electromagnetic interference.

PDF Catalog

PDF Pages PDF Title
5 Foreword
7 1 Scope
2 Conditions of use
8 3 Terms and definitions
11 4 General
5 General conditions for type testing
12 Table 1 — Schedule of tests
13 6 Classification and rating
14 7 Marking and labelling
15 Table 2 — Rated current and maximum fuse rating in normal use, and load for flexing and flexible cable grip tests related to size of flexible cable
16 8 Clearances, creepage distances and solid insulation
17 Table 3 — Minimum clearances for basic insulation
19 Table 4 — Minimum creepage distances (mm) for basic insulation
Table 5 — Withstand voltages for insulation types
20 9 Accessibility of live parts
21 10 Provisions for earthing
Table 6 — Torque values for screws and nuts
22 11 Terminals and terminations
26 12 (Not used)
13 Construction of socket‑outlets
29 Table 7 — Actuator test force
32 14 Resistance to ageing, resistance to humidity and protection provided by enclosures
34 Table 8 — Tightening torque values for cable glands
36 15 Insulation resistance and electric strength
37 16 Temperature rise
Table 9 — Permitted temperature rises
38 Table 10 — Loading of socket‑outlets for temperature‑rise test
39 17 Breaking capacity of socket‑outlets
40 18 Normal operation of socket‑outlets
41 19 Connection of flexible cables and cable anchorage
43 Table 11 — Connection of flexible cables
20 Mechanical strength
45 21 Screws, current‑carrying parts and connections
46 22 Resistance to heat
47 23 Resistance to abnormal heat and fire
48 Table 12 — Application of glow‑wire test
49 24 Resistance to excessive residual stresses and to rusting
25 (Not used)
26 Cyclic loading test
50 Figure 1 — Test pin (see Clause 12)
51 Figure 2a — Apparatus for mechanical strength test on resilient covers (see Clause 9)
52 Figure 2b — Hardwood block for Figure 2a
53 Figure 3 — Disposition of socket contacts (see Clause 13)
54 Figure 11 — GO gauge for socket-outlet (see Clause 13)
55 Figure 12 — Contact test gauge (see Clause 13)
56 Figure 13 — Test apparatus and circuit for use with contact and non contact gauges (see Clause 13)
57 Figure 14 — Non contact test gauge (see Clause 13)
58 Figure 15 — Turning moment gauge (see Clause 13)
59 Figure 16a — Withdrawal pull gauges for effectiveness of contact: Gauge for earthing socket contact (see Clause 13)
60 Figure 16b — Withdrawal pull gauges for effectiveness of contact: Gauge for line and neutral current-carrying socket contacts (see Clause 13)
61 Figure 18 — Apparatus for flexing test (see Clause 19)
62 Figure 19 — Solid link for test on fuse clips (see Clause 20)
Figure 20 — Tumbling barrel (see Clause 20)
63 Figure 21a — Pendulum impact test: General view of apparatus (see Clause 20)
64 Figure 21b — Pendulum impact test: Constructional details of striking elements (see Clause 20)
65 Figure 21c — Pendulum impact test: Constructional details of mounting support for test samples (see Clause 20)
66 Figure 22 — Arrangements for mechanical strength test for portable socket outlets (see Clause 20)
67 Figure 23 — Apparatus for pressure test (see Clause 22)
68 Figure 28 — Calibrated link (see A.1)
70 Figure 29 — Calibration jig for calibrated link (see A.2)
72 Figure 30 — Test plug for temperature rise (see Annex G)
74 Annex A (normative)  The construction and calibration of a calibrated link
75 Annex B (normative)  Measurement of clearances and creepage distances
Table B.1 — Minimum values of width X
79 Annex C (normative)  Determination of the Comparative Tracking Index (CTI) and Proof Tracking Index (PTI)
80 Annex D (normative)  Relation between rated impulse withstand voltage, rated voltage and Overvoltage Category
Table D.1 — Rated impulse withstand voltage for plugs energized directly from the low‑voltage mains
Annex E (normative)  Pollution degree
81 Annex F (normative)  Impulse voltage test
82 Table F.1 — Test voltages for verifying clearances at sea level
Annex G (normative)  Test plug for temperature‑rise test
83 Annex H (informative)  Specific structure of BS EN 50525 and its derivation from British Standards and from HD 21 and HD 22 (BS EN 50525‑1:2011, National Annex NA)
Table H.1 — Specific structure of BS EN 50525 and its derivation from British Standards and from HD 21 and HD 22 (BS EN 50525‑1:2011, National Annex NA)
84 Annex I (normative)  Requirements for incorporated electronic components
88 Bibliography
BS 1363-2:2016+A1:2018
$215.11