Cable Drawing Template

This is the blank version of Exercise 6. Fill it in until somebody other than you can build and test the cable without guessing.

Cable endpoints

• Connector A:
• Connector B:

Conductor schedule

Wire	Color	Gauge	Twisted pair	Shield / drain treatment	End A	End B	Notes
TBD	TBD	TBD	TBD	TBD	TBD	TBD	TBD
TBD	TBD	TBD	TBD	TBD	TBD	TBD	TBD

Cable construction

• Cable jacket:
• Labels:
• Length tolerance:
• Notes:

Test requirements

• Continuity:
• Pinout verification:
• Shield / drain verification:
• Pull-test requirement:
• Crimp spec / strip length reference (from the contact application spec):
• Workmanship / acceptance standard (e.g. IPC/WHMA-A-620 class, or the program/customer equivalent):
• Additional test requirements:

Shield strategy (if shielded)

• Shield required: yes / no
• Shield type: braid / foil / drain / combination
• Shield termination: one end / both ends / 360° backshell / capacitive / other
• Connector shell bonded to chassis: yes / no / not applicable
• EMC requirement or rationale (noise problem, frequency range of concern):
• Test / verification method:
• Grounding owner / reviewer:

Source / evidence tracking

Claim / value relied on	Source document	Rev / date	Requirement type	Verification status	Verified by / date	Open questions / risk if wrong
TBD	TBD	TBD	customer / standard / manufacturer / internal / assumption	verified / assumed / example / TBD	TBD	TBD

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Worked example — M12 A-coded sensor cable

A double-ended M12 A-coded sensor cordset. Family-level electrical, coding, and sealing values are sourced below; project- and vendor-specific fields (exact part number, length, cable OD) are marked illustrative — fill them from the parts you actually buy. See the matching ICD worked example.

Cable endpoints

• Connector A: M12 A-coded, 4-pin, female (socket), straight — to the sensor's device port
• Connector B: M12 A-coded, 4-pin, male (pin), straight — to the panel receptacle

Conductor schedule

Wire	Color	Gauge	Twisted pair	Shield / drain	End A pin	End B pin	Notes
1	Brown (BN)	22 AWG (0.34 mm²)	—	—	1	1	L+ (24 VDC nominal)
2	White (WH)	22 AWG (0.34 mm²)	—	—	2	2	Signal — per device datasheet
3	Blue (BU)	22 AWG (0.34 mm²)	—	—	3	3	L− (0 V)
4	Black (BK)	22 AWG (0.34 mm²)	—	—	4	4	Signal — per device datasheet

Wire colours follow the common A-coded 4-pin convention; confirm pin functions against the device datasheet and the cordset drawing.

Cable construction

• Cable jacket: PUR, Ø ≈ 5–6 mm (illustrative — must fall inside the gland/clamp range for a field-wireable connector)
• Labels: both ends, per drawing
• Length tolerance: ±25 mm (illustrative)
• Notes: A-coded is rated ≤ 4 A per contact and ≤ 250 V (IEC 61076-2-101);¹ IP67 applies only when mated and correctly torqued²

Test requirements

• Continuity: pin 1→1, 2→2, 3→3, 4→4
• Pinout verification: against the schedule above
• Shield / drain verification: n/a (unshielded); add if a shielded variant is used
• Workmanship / acceptance: IPC/WHMA-A-620 or the program/customer equivalent — molded cordset, incoming inspection (illustrative)
• Additional: insulation resistance; coupling-torque check²

Shield strategy / evidence

• Shield: none (unshielded A-coded sensor cordset); revisit with an EMC rationale if a shielded variant is used
• Evidence: family electrical/coding/sealing values — IEC 61076-2-101 listing + M12 torque example, verified (Sources below); all fields marked (illustrative) — example-only, replace from the parts you actually buy

Sources

Footnotes

1. IEC 61076-2-101 (M12 circular connectors with screw-locking, A/B/D coding) — 2- to 17-way; up to 250 V and up to 4 A per contact; data ≤ 100 MHz. https://webstore.iec.ch/en/publication/77773 ↩

2. An M12 IP rating applies to the complete, correctly-mated and -torqued assembly (both ends), not the unmated connector. Coupling torque is manufacturer-specified and varies (e.g. Turck specifies 0.8–1.0 N·m) — treat any single figure as an example and use the manufacturer's value with a torque tool. See the M12 Deep Dive §8.3. ↩ ↩²